Solving Quadratics (All methods)

Front

Solve by factoring: x² - 9x + 20 = 0

Back

x = 4 and x = 5

Front

Factor: 49x² - 100

Back

(7x - 10)(7x + 10)

Front

Factor: 3x² - 6x - 24

Back

3(x + 2)(x - 4)

Front

7x² - 26x - 8 = 0

Back

x = 4 and x = -2/7

Front

(x + 1) ² = 25

Back

4 or -6

Front

Solve 14 - x² = 17

Back

no solution

Front

Is Suzie correct in solving the equation (x - 2)(x + 6) = 2 by setting x - 2 = 0 and x + 6 = 0?

Back

No, she did factor correctly, but she can't use the zero product property as shown.

Front

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

Back

2

Front

x² + 10x = -9

Back

-1 and -9

Front

Solve the equation by completing the square: x^2 + 6x - 4 = 36

Back

x = 4, -10