Linear Expressions Review

The side lengths of a triangle are given by the expressions 13x + 39, 15x –25, and 14x + 14. Write the simplified expression to represent the perimeter of the triangle.

• 42x+28

• 42x+91

• 133x

The cost of Noah's lunch, c, after a 15% tip can be represented by the expression c+0.15c. What is this expression written in simplest form?

• 1.15c

• 2c + 0.15

• 0.15c

• 2.15c

Expand -6(5a-3b) using the Distributive Property?

• 30a - 18b

• -30a - 18b

• -30a + 18b

• -30a - 3b

Simplify:

-5(3n-1)-4+8n.

• -23n - 9

• -7n + 1

• 7n + 1

• -7n - 1

What is the simplest form of

(–7x + 3)+(11x-4)?

• 4x - 7

• 4x -1

• 18x + 1

• -18x -1

Which of the following expressions are linear? Select all that apply.

• 1/x

• -3x

• 7xy

• 9x²

• 4x + 3

Which of the following is the additive inverse of -4x+13?

• -4x-13

• -4x+13

• 4x-13

• 4x+13

(-3x+5)-(-7x+2)?

• 10x + 3

• 4x + 3

• 10x + 3

• -4x - 3

What is 10xy-15y written in factored form?

• 2y(5x-15)

• 5xy(2-3y)

• 5y(2x-3)

• 10y(x-15)

Simplify 3(2x−1)−4x. Write your answer in factored form.

• 2x - 3

• 2(3x - 2)

• 2x + 3

• 3x - 2