MIDTERM EXAM_ Intermediate Algebra

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Los Angeles City College *

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MATH 125

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Mathematics

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Feb 20, 2024

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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 1/32 MIDTERM EXAM Due Nov 10 at 11am Points 43 Questions 43 Available Nov 10 at 9am - Nov 10 at 11am 2 hours Time Limit 120 Minutes Attempt History Attempt Time Score LATEST Attempt 1 55 minutes 40 out of 43 Correct answers are hidden. Score for this quiz: 40 out of 43 Submitted Nov 10 at 9:58am This attempt took 55 minutes. 1 / 1 pts Question 1 A student can afford to spend up to $370 on a stereo system and some compact discs. If the stereo costs $155 and the discs are $9.50 each, find the greatest number of discs he can buy. 20 21 26 25 22
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 2/32 1 / 1 pts Question 2 Add. –22 –19 0 19 1 / 1 pts Question 3 Complete the statement so that the indicated property is illustrated. Multiplicative inverse property: __________
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 3/32 1 -1 0 0 / 1 pts Question 4 Incorrect Incorrect Construct a table of solutions and graph of . 1 7 0 4 -1 1 -2 -2 -3 -5
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 4/32 -1 7 0 4 1 1 2 -2 3 -5
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 5/32 -2 -6 -1 -3 0 0 1 3 2 6
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 6/32 -2 6 -1 3 0 0 1 -3 2 -6 1 / 1 pts Question 5 Evaluate for . -7 5 -5 -4
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 7/32 -3 1 / 1 pts Question 6 Evaluate the algebraic expression for the given values of the variables. 3 xy - x y + 3 y , x = 5 and y = 1 2 2 2 –4 –8 –14 3 –7 1 / 1 pts Question 7 Evaluate the algebraic expression for the given values of the variables. 3 xy - x y + 3 y , x = 5 and y = 1 2 2 2 –14 –4
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 8/32 –8 –7 3 1 / 1 pts Question 8 Find the coordinates of the point. (3,–5) (1, 5) (–5,–3) (3,5) (5,–3)
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 9/32 1 / 1 pts Question 9 Find the mean of the list of data. 42, 66, 41, 39, 81, 57, 92, 102 65 1 / 1 pts Question 10 Find the median of the list of data. 10, 16, 21, 27, 37, 48 24 1 / 1 pts Question 11
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 10/32 Find the mode (if any) of the list of data. 11, 11, 18, 18, 11, 13, 18, 11 10 11 13 12 14 1 / 1 pts Question 12 Find the quotient.
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 11/32 1 / 1 pts Question 13 Find the slope of the line determined by this pair of points. (3, -7), (4, -7) slope = __________ 0 undetermined -1 1 1 / 1 pts Question 14 Find the value of the expression. 0 45
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 12/32 - 45 75 - 75 1 / 1 pts Question 15 Give the definition of the symbol . is less than or equal to is greater than is greater than or equal to is not equal to is less than 1 / 1 pts Question 16 Graph the equation using the intercept method. Label the intercepts on the graph.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 13/32
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 14/32 1 / 1 pts Question 17 Graph the linear equation.
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 15/32
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 16/32 1 / 1 pts Question 18 Graph the linear equation.
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 17/32 0 / 1 pts Question 19 Incorrect Incorrect If , find the value of . 0
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 18/32 3 2 4 1 1 / 1 pts Question 20 Select the expression that completes the formula below. None of these 1 / 1 pts Question 21 Simplify the algebraic expression.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 19/32 1 / 1 pts Question 22 Simplify the expression. none of these
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 20/32 1 / 1 pts Question 23 Simplify the expression. Assume that the variable represents a positive number. none of these 0 / 1 pts Question 24 Incorrect Incorrect Simplify the numerical expression. 5
11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 21/32 36 1 / 1 pts Question 25 Simplify. 1 / 1 pts Question 26 Solve the equation, if possible.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 22/32 6, –16 6, 16 no solution 6 6, 16 1 / 1 pts Question 27 Solve the formula for the variable . 1 / 1 pts Question 28
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 23/32 Solve the inequality and graph the solution set. Ø 1 / 1 pts Question 29
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 24/32 Solve the inequality.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 25/32 1 / 1 pts Question 30 Solve the system. The system is inconsistent. The system is dependent. 1 / 1 pts Question 31 Subtract.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 26/32 1 / 1 pts Question 32 Tell whether the slope of the line in the graph is positive , negative , zero , or undefined . positive negative zero undefined 1 / 1 pts Question 33
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 27/32 The distance from earth to a certain star outside our solar system is 26,200,000,000,000 miles. Express this number in scientific notation. miles miles miles miles miles 1 / 1 pts Question 34 The set of __________ numbers is {1, 2, 3, 4, ... }. whole irrational negative natural integer 1 / 1 pts Question 35
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 28/32 To hold the temperature of a room between and what Fahrenheit temperatures must be maintained? 1 / 1 pts Question 36 Use an equation to solve the problem. A sport jacket that sells for $180 has a markup of $105. Find the wholesale price. $70 $95 $65 $75 $60
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 29/32 1 / 1 pts Question 37 Use an equation to solve the problem. One-third of the movie audience left the theater in disgust. If 77 angry patrons walked out, how many were there originally? 190 231 204 196 243 1 / 1 pts Question 38 Use an equation to solve the problem. Sales tax on a $13 compact disc is $0.91. At what rate is sales tax computed? 8% 2% 6%
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 30/32 7% 5% 1 / 1 pts Question 39 Which of the following ordered triples is a solution of the system ? 1 / 1 pts Question 40 Write the number in standard notation. 6.97 0.697
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 31/32 69,700 69.7 0.00697 1 / 1 pts Question 41 Write the number in standard notation. 20 2 200 0 0 1 / 1 pts Question 42 Solve the system by substitution method, if possible.
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11/10/23, 9:58 AM MIDTERM EXAM: Intermediate Algebra https://angelescollege.instructure.com/courses/736/quizzes/3871 32/32 infinitely many solutions, dependent equations no solution, inconsistent system 1 / 1 pts Question 43 Use the addition method to solve the system. Quiz Score: 40 out of 43
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