West B Math: Algebraic Concepts Questions and Answers

Question 1

A plumber charges a $75 service fee for a visit, plus an additional $50 per hour of work. Which equation correctly represents the total cost, C, for a job that takes h hours to complete?

Accepted Answer

C = 50h + 75

Answer

C = 75h + 50

Answer

C = 125h

Answer

C = 50(h + 75)

Question 2

Which of the following is the simplified form of the expression 3(x - 4) + 2(x + 5)?

Accepted Answer

5x - 2

Answer

5x + 1

Answer

x - 2

Answer

5x + 22

Question 3

What is the value of the expression 4a² - 2b when a = 3 and b = 5?

Accepted Answer

26

Answer

16

Answer

118

Answer

31

Question 4

Which of the following is the correct solution for x in the equation 5x - 8 = 2x + 7?

Accepted Answer

x = 5

Answer

x = 3

Answer

x = -5

Answer

x = 15/7

Question 5

A student is solving the inequality 12 - 3x > 6. Which of the following represents the correct solution?

Accepted Answer

x < 2

Answer

x > 2

Answer

x > -2

Answer

x < -2

Question 6

A recipe for a batch of cookies requires 2 cups of flour for every 3/4 cup of sugar. If a baker uses 6 cups of flour, how much sugar is needed?

Accepted Answer

2.25 cups

Answer

4 cups

Answer

9 cups

Answer

2.5 cups