8th Gr Final Review #3 - Ch 3 Equations

Front

What is the solution to the equation 16 = -4(y + 3)?

Back

y = -7

Front

Solve the equation 3(x - 4) = -3.

Back

x = 3

Front

What is the value of y in the equation y - 4.6 = 12?

Back

y = 16.6

Front

Which equation represents the total cost of adult and child movie tickets if adults are $8 each and a child is $6, totaling $54?

Back

54 = 8x + 6

Front

What is the solution to the equation 9 + 2q = -1?

Back

q = -5

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the first step to solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the definition of a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does the term 'coefficient' refer to in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable.