Unit 3 Test Redemption

Front

Solve for f: f - 4 = 6f + 26

Back

f = -6

Front

Solve for x: 5x - 14 = 8x + 4

Back

x = -6

Front

Solve the equation: 12x - 15 = 3(2x+3)

Back

x = 4

Front

Peppy Pets charges a flat fee of $15 plus $3 per hour. Happy Hounds charges a flat fee of $21 plus $1 per hour. Which equation could you use to see when the two companies would charge the same amount?

Back

3x + 15 = x + 21

Front

Solve: 5y + 34 = -2(-7y + 1)

Back

y = 4

Front

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

Back

Subtract 3 from both sides to isolate the term with x.

Front

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

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

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 a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed.