8th Grade Practice questions for the midterm

Front

Solve: -8x - 8 = 48

Back

x = -7

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Solve for x: x - 8 = -5

Back

x = 3

Front

Solve: 5(x-3)=40

Back

x = 11

Front

Solve for x: x - 9 = 8(2x + 3) -18

Back

x = -1

Front

What is a function?

Back

A relation where each input (x-value) has exactly one output (y-value).

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation until the variable is alone.

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4.

Front

What does it mean for an equation to be balanced?

Back

Both sides of the equation have the same value.

Front

What is the first step in solving the equation 3(x - 2) = 9?

Back

Distribute the 3 to both terms inside the parentheses.