PARCC Algebra Practice Test 3

Question 1

A line has equation y = -2x + 7. What is its y-intercept?

Accepted Answer

7

Answer

In y = mx + b form, b = 7 is the y-intercept.

Question 2

Simplify: (3x²)(4x³).

Accepted Answer

12x⁵

Answer

Multiply coefficients (12) and add exponents (5) to get 12x⁵.

Question 3

Solve for y: 2y/3 = 8.

Accepted Answer

12

Answer

Multiply both sides by 3/2 to get y = 12.

Question 4

If a system is x + y = 10 and x - y = 4, what is x?

Accepted Answer

7

Answer

Adding the equations gives 2x = 14, so x = 7.

Question 5

What is the value of the expression 2³ + 3²?

Accepted Answer

17

Answer

2³ = 8 and 3² = 9, and 8 + 9 = 17.

PARCC Practice Test