Solving Quadratic Equation by Extracting Square Roots

Front

Solve the equation x² - 16 = 0 by extracting the square root.

Back

x = 4 and x = -4

Front

2s² = 50

Back

s = 5 and s = -5

Front

Equation with roots x = 7 and x = -7?

Back

x² - 49 = 0

Front

(s - 4)² - 81 = 0

Back

s = 13 and s = -13

Front

3t² = 12

Back

t = 2 and t = -2