Elementary Algebra17th EditionLynn Marecek, MaryAnne Anthony-Smith Publisher: OpenStax - Rice UniversityISBN: 9780998625713
Elementary Algebra
Solutions for Elementary Algebra
Problem 4.79TI:
Use the graph to find the slope and y-intercept of the line y=23x1 . Compare these values to the...Problem 4.80TI:
Use the graph to find the slope and y-intercept of the line y=12x+3 . Compare these values to the...Problem 4.81TI:
Identify the slope and y-intercept of the line y=25x1 .Problem 4.82TI:
Identify the slope and y-intercept of the line y=43x+1 .Problem 4.83TI:
Identify the slope and y-intercept of the line x+4y=8 .Problem 4.84TI:
Identify the slope and y-intercept of the line 3x+2y=12 .Problem 4.95TI:
Determine the most convenient method to graph each line: (a) 3x+2y=12 (b) y=4 (c)y=15x4 (d) x=7 .Problem 4.96TI:
Determine the most convenient method to graph each line: (a) x=6 (b) y=34x+1 (c) y=8 (d)4x3y=1 .Problem 4.97TI:
The equation h=2s+50 is used to estimate a woman’s height in inches, h, based on her shoe size, s....Problem 4.98TI:
The equation T=14n+40 is used to estimate the temperature in degrees Fahrenheit, T, based on the...Problem 4.99TI:
Sam drives a delivery van. The equation C=0.5m+60 models the relation between his weekly cost, C, in...Problem 4.100TI:
Loreen has a calligraphy business. The equation C=1.8n+35 models the relation between her weekly...Problem 4.101TI:
Use slopes and y-intercepts to determine if the lines 2x+5y=5 and y=25x4 are parallel.Problem 4.102TI:
Use slopes and y-intercepts to determine if the lines 4x3y=6 and y=43x1 are parallel.Problem 4.107TI:
Use slopes and y-intercepts to determine if the lines y=12x1 and x+2y=2 are parallel.Problem 4.108TI:
Use slopes and y-intercepts to determine if the lines y=34x3 and 3x4y=12 are parallel.Problem 288E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 289E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 290E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 291E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 292E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 293E:
In the following exercises, use the graph to find the slope and y-intercept of each line. Compare...Problem 294E:
In the following exercises, identify the slope and y-intercept of each line. 294. y=7x+3Problem 295E:
In the following exercises, identify the slope and y-intercept of each line. 295. y=9x+7Problem 296E:
In the following exercises, identify the slope and y-intercept of each line. 296. y=6x8Problem 297E:
In the following exercises, identify the slope and y-intercept of each line. 297. y=4x10Problem 298E:
In the following exercises, identify the slope and y-intercept of each line. 298. 3x+y=5Problem 299E:
In the following exercises, identify the slope and y-intercept of each line. 299. 4x+y=8Problem 300E:
In the following exercises, identify the slope and y-intercept of each line. 300. 6x+4y=12Problem 301E:
In the following exercises, identify the slope and y-intercept of each line. 301. 8x+3y=12Problem 302E:
In the following exercises, identify the slope and y-intercept of each line. 302. 5x2y=6Problem 303E:
In the following exercises, identify the slope and y-intercept of each line. 303. 7x3y=9Problem 304E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 304....Problem 305E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 305....Problem 306E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 306....Problem 307E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 307....Problem 308E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 308....Problem 309E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 309....Problem 310E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 310....Problem 311E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 311....Problem 312E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 312....Problem 313E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 313....Problem 314E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 314....Problem 315E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 315....Problem 316E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 316....Problem 317E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 317....Problem 318E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 318....Problem 319E:
In the following exercises, graph the line of each equation using its slope and y-intercept. 319....Problem 320E:
In the following exercises, determine the most convenient method to graph each line. 320. x=2Problem 321E:
In the following exercises, determine the most convenient method to graph each line. 321.y=4Problem 322E:
In the following exercises, determine the most convenient method to graph each line. 322. y=5Problem 323E:
In the following exercises, determine the most convenient method to graph each line. 323. x=3Problem 324E:
In the following exercises, determine the most convenient method to graph each line. 324.y=3x+4Problem 325E:
In the following exercises, determine the most convenient method to graph each line. 325. y=5x+2Problem 326E:
In the following exercises, determine the most convenient method to graph each line. 326. xy=5Problem 327E:
In the following exercises, determine the most convenient method to graph each line. 327. xy=1Problem 328E:
In the following exercises, determine the most convenient method to graph each line. 328. y=23x1Problem 329E:
In the following exercises, determine the most convenient method to graph each line. 329. y=45x3Problem 330E:
In the following exercises, determine the most convenient method to graph each line. 330. y=3Problem 331E:
In the following exercises, determine the most convenient method to graph each line. 331. y=1Problem 332E:
In the following exercises, determine the most convenient method to graph each line. 332. 3x2y=12Problem 333E:
In the following exercises, determine the most convenient method to graph each line. 333. 2x5y=10Problem 334E:
In the following exercises, determine the most convenient method to graph each line. 334. y=14+3Problem 335E:
In the following exercises, determine the most convenient method to graph each line. 335. y=13x+5Problem 336E:
The equation P=31+1.75w models the relation between the amount of Tuyet’s monthly water bill...Problem 337E:
The equation P=28+2.54w models the relation between the amount of Randy’s monthly water bill...Problem 338E:
Bruce drives his car for his job. The equation R=0.575m+42 models the relation between the amount in...Problem 339E:
Janelle is planning to rent a car while on vacation. The equation C=0.32m+15 models the relation...Problem 340E:
Cherie works in retail and her weekly salary includes commission for the amount she sells. The...Problem 341E:
Patel’s weekly salary includes a base pay plus commission on his sales. The equation S=750+0.09c...Problem 342E:
Costa is planning a lunch banquet. The equation C=450+28g models the relation between the cost in...Problem 343E:
Margie is planning a dinner banquet. The equation C=750+42g models the relation between the cost in...Problem 344E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 344....Problem 345E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 345....Problem 346E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 346....Problem 347E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 347....Problem 348E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 348....Problem 349E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 349....Problem 350E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 350....Problem 351E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 351....Problem 352E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 352....Problem 353E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 353....Problem 354E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 354....Problem 355E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 355....Problem 356E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 356....Problem 357E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 357....Problem 358E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 358....Problem 359E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 359....Problem 360E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 360....Problem 361E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 361....Problem 362E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 362....Problem 363E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 363....Problem 364E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 364....Problem 365E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 365....Problem 366E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 366....Problem 367E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 367....Problem 368E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 368....Problem 369E:
In the following exercises, use slopes and y-intercepts to determine if the lines are parallel. 369....Problem 370E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 371E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 372E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 373E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 374E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 375E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 376E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 377E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 378E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 379E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 380E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 381E:
In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular....Problem 382E:
The equation C=59F17.8 can be used to convert temperatures F, on the Fahrenheit scale to...Problem 383E:
The equation n=4T160 is used to estimate the number of cricket chirps, n, in one minute based on the...Problem 385E:
Why are all horizontal lines parallel?Browse All Chapters of This Textbook
Chapter 1 - FoundationsChapter 1.1 - Introduction To Whole NumbersChapter 1.2 - Use The Language Of AlgebraChapter 1.3 - Add And Subtract IntegersChapter 1.4 - Multiply And Divide IntegersChapter 1.5 - Visualize FractionsChapter 1.6 - Add And Subtract FractionsChapter 1.7 - DecimalsChapter 1.8 - The Real NumbersChapter 1.9 - Properties Of Real Numbers
Chapter 1.10 - Systems Of MeasurementChapter 2 - Solving Linear Equations And InequalitiesChapter 2.1 - Solve Equations Using The Subtraction And Addition Properties Of EqualityChapter 2.2 - Solve Equations Using The Division And Multiplication Properties Of EqualityChapter 2.3 - Solve Equations With Variables And Constants On Both SidesChapter 2.4 - Use A General Strategy To Solve Linear EquationsChapter 2.5 - Solve Equations With Fractions Or DecimalsChapter 2.6 - Solve A Formula For A Specific VariableChapter 2.7 - Solve Linear InequalitiesChapter 3 - Math ModelsChapter 3.1 - Use A Problem-solving StrategyChapter 3.2 - Solve Percent ApplicationsChapter 3.3 - Solve Mixture ApplicationsChapter 3.4 - Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean TheoremChapter 3.5 - Solve Uniform Motion ApplicationsChapter 3.6 - Solve Applications With Linear InequalitiesChapter 4 - GraphsChapter 4.1 - Use The Rectangular Coordinate SystemChapter 4.2 - Graph Linear Equations In Two VariablesChapter 4.3 - Graph With InterceptsChapter 4.4 - Understand Slope Of A LineChapter 4.5 - Use The Slope–intercept Form Of An Equation Of A LineChapter 4.6 - Find The Equation Of A LineChapter 4.7 - Graphs Of Linear InequalitiesChapter 5 - Systems Of Linear EquationsChapter 5.1 - Solve Systems Of Equations By GraphingChapter 5.2 - Solve Systems Of Equations By SubstitutionChapter 5.3 - Solve Systems Of Equations By EliminationChapter 5.4 - Solve Applications With Systems Of EquationsChapter 5.5 - Solve Mixture Applications With Systems Of EquationsChapter 5.6 - Graphing Systems Of Linear InequalitiesChapter 6 - PolynomialsChapter 6.1 - Add And Subtract PolynomialsChapter 6.2 - Use Multiplication Properties Of ExponentsChapter 6.3 - Multiply PolynomialsChapter 6.4 - Special ProductsChapter 6.5 - Divide MonomialsChapter 6.6 - Divide PolynomialsChapter 6.7 - Integer Exponents And Scientific NotationChapter 7 - FactoringChapter 7.1 - Greatest Common Factor And Factor By GroupingChapter 7.2 - Factor Quadratic Trinomials With Leading Coefficient 1Chapter 7.3 - Factor Quadratic Trinomials With Leading Coefficient Other Than 1Chapter 7.4 - Factor Special ProductsChapter 7.5 - General Strategy For Factoring PolynomialsChapter 7.6 - Quadratic EquationsChapter 8 - Rational Expressions And EquationsChapter 8.1 - Simplify Rational ExpressionsChapter 8.2 - Multiply And Divide Rational ExpressionsChapter 8.3 - Add And Subtract Rational Expressions With A Common DenominatorChapter 8.4 - Add And Subtract Rational Expressions With Unlike DenominatorsChapter 8.5 - Simplify Complex Rational ExpressionsChapter 8.6 - Solve Rational EquationsChapter 8.7 - Solve Proportion And Similar Figure ApplicationsChapter 8.8 - Solve Uniform Motion And Work ApplicationsChapter 8.9 - Use Direct And Inverse VariationChapter 9 - Roots And RadicalsChapter 9.1 - Simplify And Use Square RootsChapter 9.2 - Simplify Square RootsChapter 9.3 - Add And Subtract Square RootsChapter 9.4 - Multiply Square RootsChapter 9.5 - Divide Square RootsChapter 9.6 - Solve Equations With Square RootsChapter 9.7 - Higher RootsChapter 9.8 - Rational ExponentsChapter 10 - Quadratic EquationsChapter 10.1 - Solve Quadratic Equations Using The Square Root PropertyChapter 10.2 - Solve Quadratic Equations By Completing The SquareChapter 10.3 - Solve Quadratic Equations Using The Quadratic FormulaChapter 10.4 - Solve Applications Modeled By Quadratic EquationsChapter 10.5 - Graphing Quadratic Equations
Sample Solutions for this Textbook
We offer sample solutions for Elementary Algebra homework problems. See examples below:
More Editions of This Book
Corresponding editions of this textbook are also available below:
ELEMENTARY ALGEBRA VOL 1-2
17th Edition
ISBN: 9781506698205
Elementary Algebra (OER)
17th Edition
ISBN: 9781947172258
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