NeSA NeSA Algebra & Functions

Question 1

What is the value of x in the equation 2x + 5 = 17?

Accepted Answer

6

Answer

2x + 5 = 17 → 2x = 12 → x = 6.

Question 2

Which expression represents 'three times a number decreased by 7'?

Accepted Answer

3n − 7

Answer

'Three times a number' is 3n, and 'decreased by 7' means subtract 7, giving 3n − 7.

Question 3

If f(x) = 2x − 3, what is f(5)?

Accepted Answer

7

Answer

f(5) = 2(5) − 3 = 10 − 3 = 7.

Question 4

Which value of x satisfies 4x − 8 = 0?

Accepted Answer

2

Answer

4x = 8 → x = 2.

Question 5

What is the slope of the line passing through (0, 2) and (3, 8)?

Accepted Answer

2

Answer

Slope = (8 − 2) / (3 − 0) = 6/3 = 2.

NeSA - Nebraska State Accountability Practice Test