Problem 1RE: Graph the points on a rectangular coordinate system. a. ( 1 2 , 5 ) b. ( − 1 , 4 ) c. ( 2 , − 1 ) d.... Problem 2RE: Estimate the coordinates of the points A, B, C, D, E, and F. Problem 3RE: For Exercises 3–8, determine the quadrant in which the given point is located.
3.
Problem 4RE: For Exercises 3–8, determine the quadrant in which the given point is located. ( − 4 , 6 ) Problem 5RE: For Exercises 3–8, determine the quadrant in which the given point is located.
5.
Problem 6RE: For Exercises 3–8, determine the quadrant in which the given point is located.
6.
Problem 7RE: For Exercises 3–8, determine the quadrant in which the given point is located. ( π , − 2.7 ) Problem 8RE: For Exercises 3–8, determine the quadrant in which the given point is located. ( − 1.2 , − 6.8 ) Problem 9RE: 9. On which axis is the point located?
Problem 10RE: 10. On which axis is the point located?
Problem 11RE: 11. The price per share of a stock (in dollars) over a period of 5 days is shown in the... Problem 12RE: The number of space shuttle launches for selected years is given by the ordered pairs. Let x... Problem 13RE: For Exercises 13–16, determine if the given ordered pair is a solution to the equation.
13.
Problem 14RE: For Exercises 13–16, determine if the given ordered pair is a solution to the equation. 2 x − 4 y =... Problem 15RE: For Exercises 13–16, determine if the given ordered pair is a solution to the equation. y = 1 3 x −... Problem 16RE: For Exercises 13–16, determine if the given ordered pair is a solution to the equation. y = − 2 5 x... Problem 17RE: For Exercises 17–20, complete the table and graph the corresponding ordered pairs. Graph the line... Problem 18RE: For Exercises 17–20, complete the table and graph the corresponding ordered pairs. Graph the line... Problem 19RE: For Exercises 17–20, complete the table and graph the corresponding ordered pairs. Graph the line... Problem 20RE: For Exercises 17–20, complete the table and graph the corresponding ordered pairs. Graph the line... Problem 21RE: For Exercises 21–24, graph the equation. x + 2 y = 4 Problem 22RE: For Exercises 21–24, graph the equation. x − y = 5 Problem 23RE: For Exercises 21–24, graph the equation. y = 3 x Problem 24RE: For Exercises 21–24, graph the equation. y = 1 4 x Problem 25RE: For Exercises 25–28, identify the line as horizontal or vertical. Then graph the equation.
25.
Problem 26RE: For Exercises 25–28, identify the line as horizontal or vertical. Then graph the equation. 2 x + 1 =... Problem 27RE: For Exercises 25–28, identify the line as horizontal or vertical. Then graph the equation. 6 y + 1 =... Problem 28RE: For Exercises 25–28, identify the line as horizontal or vertical. Then graph the equation. 5 y − 1 =... Problem 29RE: For Exercises 29–36, find the x- and y-intercepts if they exist.
29.
Problem 30RE: For Exercises 29–36, find the x- and y-intercepts if they exist. 2 x + y = 6 Problem 31RE: For Exercises 29–36, find the x- and y-intercepts if they exist.
31.
Problem 32RE: For Exercises 29–36, find the x- and y-intercepts if they exist. 5 x − y = 0 Problem 33RE: For Exercises 29–36, find the x- and y-intercepts if they exist. 6 y = − 24 Problem 34RE: For Exercises 29–36, find the x- and y-intercepts if they exist.
34.
Problem 35RE: For Exercises 29–36, find the x- and y-intercepts if they exist. 2 x + 5 = 0 Problem 36RE: For Exercises 29–36, find the x- and y-intercepts if they exist. − 3 x + 1 = 0 Problem 37RE: What is the slope of the ladder leaning up against the wall? Problem 38RE: Point A is located 4 units down and 2 units to the right of point B. What is the slope of the line... Problem 39RE: Determine the slope of the line that passes through the points ( 7 , − 9 ) and ( − 5 , − 1 ) . Problem 40RE: Determine the slope of the line that has x- and y-intercepts of ( − 1 , 0 ) and ( 0 , 8 ) . Problem 41RE: Determine the slope of the line that passes through the points ( 3 , 0 ) and ( 3 , − 7 ) . Problem 42RE: 42. Determine the slope of the line given by.
Problem 43RE: 43. A given line has a slope of −5.
a. What is the slope of a line parallel to the given... Problem 44RE: 44. A given line has a slope of 0.
a. What is the slope of a line parallel to the given... Problem 45RE: For Exercises 45–48, find the slopes of the lines l 1 and l 2 from the two given points. Then... Problem 46RE Problem 47RE Problem 48RE Problem 49RE Problem 50RE Problem 51RE: For Exercises 51–56, write each equation in slope-intercept form. Identify the slope and the... Problem 52RE Problem 53RE Problem 54RE Problem 55RE Problem 56RE Problem 57RE Problem 58RE: For Exercises 57–62, determine whether the equations represent parallel lines, perpendicular lines,... Problem 59RE Problem 60RE Problem 61RE Problem 62RE Problem 63RE Problem 64RE Problem 65RE Problem 66RE Problem 67RE: Write a linear equation in two variables in slope-intercept form. (Answers may vary.) Problem 68RE: Write a linear equation in two variables in standard form. (Answers may vary.) Problem 69RE Problem 70RE Problem 71RE Problem 72RE Problem 73RE Problem 74RE Problem 75RE: For Exercises 73–78, write an equation of a line given the following information. The line passes... Problem 76RE: For Exercises 73–78, write an equation of a line given the following information. The line passes... Problem 77RE Problem 78RE Problem 79RE Problem 80RE Problem 81RE Problem 82RE: 82. A small cleaning company has a fixed monthly cost of $700 and a variable cost of $8 per service... Problem 1T: 1. In which quadrant is the given point located?
a. b. c.
Problem 2T: 2. What is the y-coordinate for a point on the x-axis?
Problem 3T: What is the x-coordinate for a point on the y-axis? Problem 4T: 4. Bamboo is the fastest growing woody plant on earth. At a bamboo farm, the height of a black... Problem 5T Problem 6T: 6. Given the equation, complete the table. Plot the ordered pairs and graph the line through the... Problem 7T: For Exercises 7–10, graph the equations.
7.
Problem 8T: For Exercises 7–10, graph the equations. 2 x + 5 y = 0 Problem 9T: For Exercises 7–10, graph the equations.
9.
Problem 10T: For Exercises 7–10, graph the equations. y = 3 4 x − 2 Problem 11T: For Exercises 11–12, determine whether the equation represents a horizontal or vertical line. Then... Problem 12T: For Exercises 11–12, determine whether the equation represents a horizontal or vertical line. Then... Problem 13T: For Exercises 13–16, determine the x- and y-intercepts if they exist.
13.
Problem 14T: For Exercises 13–16, determine the x- and y-intercepts if they exist. 2 y = 6 x Problem 15T: For Exercises 13–16, determine the x- and y-intercepts if they exist. x = 4 Problem 16T: For Exercises 13–16, determine the x- and y-intercepts if they exist. y − 3 = 0 Problem 17T: What is the slope of the hill? Problem 18T: a. Find the slope of the line that passes through the points ( − 2 , 0 ) and ( − 5 , − 1 ) . b.Find... Problem 19T: a.What is the slope of a line parallel to the line x + 4 y = − 16 ? b.What is the slope of a line... Problem 20T: a.What is the slope of the line x = 5 ? b.What is the slope of the line y = − 3 ? Problem 21T: 21. Carlos called a local truck rental company and got quotes for renting a truck. He was told that... Problem 22T: Determine whether the lines through the given points are parallel, perpendicular, or neither. l 1 :... Problem 23T: Determine whether the equations represent parallel lines, perpendicular lines, or neither. l 1 : 2 y... Problem 24T: 24. Write an equation of the line that passes through the point and is parallel to the line.
Problem 25T Problem 26T Problem 27T Problem 28T: 28. Write an equation of the line that passes through the point and is parallel to the x-axis.
Problem 29T Problem 30T: 30. To attend a state fair, the cost is $10 per person to cover exhibits and musical entertainment.... Problem 31T: The number of medical doctors for selected years is shown in the graph. Let x represent the number... Problem 1CRE Problem 2CRE Problem 3CRE Problem 4CRE Problem 5CRE Problem 6CRE Problem 7CRE Problem 8CRE Problem 9CRE Problem 10CRE Problem 11CRE Problem 12CRE Problem 13CRE Problem 14CRE Problem 15CRE Problem 16CRE Problem 17CRE Problem 18CRE: 18. Explain why the line has only one intercept.
Problem 19CRE: Find an equation of a line passing through ( 2 , − 5 ) with slope −-3. Problem 20CRE: Find an equation of the line passing through ( 0 , 6 ) and ( − 3 , 4 ) . format_list_bulleted