WI Forward - Wisconsin Forward Mathematics: Algebraic Concepts Questions and Answers 2

Question 1

Simplify: 4(2x - 5) + 3x

Accepted Answer

11x - 20

Answer

11x - 5

Answer

8x - 20

Answer

5x - 5

Question 2

What is the slope of the line through (2, 5) and (6, 13)?

Accepted Answer

2

Answer

4

Answer

1/2

Answer

8

Question 3

Which equation represents 'twice a number decreased by seven equals fifteen'?

Accepted Answer

2n - 7 = 15

Answer

2(n - 7) = 15

Answer

7 - 2n = 15

Answer

2n + 7 = 15

Question 4

What is the solution to y = x + 1 and y = -x + 5?

Accepted Answer

(2, 3)

Answer

(3, 2)

Answer

(1, 4)

Answer

(4, 1)

Question 5

Which set of ordered pairs represents a function?

Accepted Answer

{(1,2),(3,4),(5,6)}

Answer

{(1,2),(3,4),(1,5)}

Answer

{(2,1),(2,3),(2,5)}

Answer

{(1,1),(1,2),(1,3)}

Question 6

Evaluate 3x² - 2x + 4 when x = -2.

Accepted Answer

20

Answer

12

Answer

8

Answer

16