3.02 Quiz Solve Perfect Square Equations

Question: Solve.

2x² = 72

Answer: {±6}

Question: Solve.

4r² - 9 = 91

Answer: {±5}

Question: Solve.

(z + 7)² = 3

Answer: {-7 ± √3}

Question: Solve.

Use perfect square factoring patterns.

x² - 10x + 25 = 9

Answer: {2, 8}

Question: Solve.

Use perfect square factoring patterns.

y² + 14y + 49 = 0

Answer: {-7}