Solving Quadratics by Factoring & Completing the Square

Front

First step to solve by completing the square: a² + 10a + 21 = 0

Back

Subtract the 21

Front

What do you do to the b value to correctly complete the square?

Back

divide it by 2 and square the result

Front

What is one of the solutions to this equation?
(2x - 1)² = 49
Options: 7, -7, -4, -3

Back

-3

Front

Write the quadratic expression x² + 6x = 5 in completed square form.

Back

(x + 3)² = 14

Front

x^2 - 10x - 5 = 0

Back

x = 5 ± √30

Front

Solve the equation by factoring.

Back

Front

Back

Front

Back

Front

Solve by factoring: 4x^2 + 11x - 3 = 0

Back

x = 1/4 and x = -3