3rd Summative Test Reviewer

• 4n - 2

• 2n - 4

• 4n + 2

• 2n + 4

• x−7  

• x+7  

• x²+16

• x²+8x+16

• x²-16

• x²+8x-16

(2x−9)(2x+9)

• 4x²−36x−81

• 4x²+81

• 4x²+36x−81

• 4x²−81

(2u-4v)²

• 4u²-8uv+16v²

• 4u²-16v²

• 4u²-16uv+16v²

• 4u²+8uv+16v²

What is the first step in solving the following problem?

2x+10=22

• Add 10 to each side

• Subtract 10 from each side

• Divide by 2

• Multiply by 10