PreUnit Refresher Practice

Front

What is the solution to the equation -5(2x - 9) = 2(x - 8) - 11?

Back

x = 6

Front

What does it mean if an equation has infinitely many solutions?

Back

It means that there are an infinite number of values for the variable that satisfy the equation.

Front

What is the solution to the equation 3(x - 4) = 2(-2x + 1)?

Back

x = 2

Front

Evaluate m² + 12q if m = 5 and q = -3.

Back

-11

Front

Evaluate 8y + 12 - 2z for y = 4 and z = 2.

Back

40

Front

What is the first step in solving the equation 8x + 4 = 4(2x + 1)?

Back

Distribute the 4 on the right side to get 8x + 4 = 8x + 4.

Front

What does it mean if an equation has no solution?

Back

It means that there are no values for the variable that can satisfy the equation.

Front

What is the process to isolate x in the equation 3(x - 4) = 2(-2x + 1)?

Back

Distribute, combine like terms, and then isolate x by adding or subtracting terms.

Front

What is the value of q in the expression m² + 12q if m = 5 and the expression equals -11?

Back

q = -1.

Front

What is the solution to the equation 8x + 4 = 4(2x + 1) when simplified?

Back

The equation simplifies to 0 = 0, indicating infinitely many solutions.