12 Questions

Questions and Answers

- 1.Which of the following expressions is equivalent to the expression shown above?
- A.
- B.
- C.
- D.

- 2.Line k(x) = -4x + 2 is parallel to line l. If line l passes through (5, -2) and (-4, y), what is the value of y? [Blank]
- 3.Which of the following is equal to , for all values of a?
- A.
- B.
- C.
- D.

- 4.2x – 4y = 14 3x + 5y = -1 If (x, y) is a solution to the system of equations above, what is the value of 2y − x ?
- A.
7

- B.
-7

- C.
8

- D.
-16

- 5.Maria plans to rent a boat. The boat rental costs $60 per hour, and she will also have to pay for a water safety course that costs $10. Maria wants to spend no more than $280 for the rental and the course. If the boat rental is available only for a whole number of hours, what is the maximum number of hours for which Maria can rent the boat? [Blank]
- 6.The function f(x) is defined as f(x) = , where g(x) = -6x + 9. What is the value of f(-6) ? [Blank]
- 7.If, , which of the equations below must be true?
- A.
B = a - c

- B.
B = c

- C.
B = 2a + 2c

- D.
B = 2a - 2c

- 8.Horsepower and watts are units of measure of power. They are directly proportional such that 8 horsepower is equal to 5968 watts. How much power, in watts, is equal to 3 horsepower? [Blank]
- 9.If and , which of the following is equivalent to 9p + 18q?
- A.
- B.
- C.
- D.

- 10.-5(2x - 2)(4x + 5) Which of the following is equivalent to the expression above?
- A.
- B.
- C.
- D.

- 11.If 2a - 2b = 6. Find the value of 7a - 7b. [Blank]
- 12.If p is a function defined over the set of all real numbers and , then which of the following defines p(x) ?
- A.
- B.
- C.
- D.