Solving Quadratic Equations: Factoring

Question 1

Which of the following expressions are perfect-square trinomials? Check all of the boxes that apply.

Revolt · Accepted Answer

4x2 +12x + 9; x2 + 20x + 100

Question 2

Compare your response with the sample response presented here. Did your explanation

Revolt · Accepted Answer

mention the square root property?; say that x could also be –2?

Question 3

Take the square root of both sides to get the solutions ⇒ 8 .

Revolt · Accepted Answer

⇒ 8: 8 + 2√2i; Part 2: 2

Question 4

Use the square root property of equality to solve(x – 3)2 = –4.The solutions are .

Revolt · Accepted Answer

3 ± 2i

Solving Quadratic Equations: Factoring Answers