Solving Quadratic Equations Jeopardy

Solve each equation by factoring.

100

p² + -2p - 10 = 5

5, -3

200

9n² + 39n = -36

-4/3, -3

300

7r² + 84 = -49r

-4, -3

400

3v² + 7v = 40

8/3, -5

500

Video: Copy and paste to review.

https://www.youtube.com/watch?time_continue=78&v=qeByhTF8WEw&feature=emb_logo

Solve using square roots.

100

4x² + 25 = 125

x= 5 or x = -5

200

(4x + 1)² - 16 = 0

x = 3/4 or x = -5/4

300

34 = (a - 2)² - 2

a = 8 or a = -4

400

0 = 3(x + 7)² - 24

x = -7 + 2 square root of 2

or

x = -7 - 2 square root of 2

500

Video: Copy and paste to review.

https://www.khanacademy.org/math/algebra-home/alg-quadratics/alg-quadratics-square-root/v/solving-quadratic-equations-by-square-roots

Solve each equation with completing the square

100

x² - 8x - 20 = 0

-2, 10

200

b² − 4b + 4 = 0

{2}

300

x² − 8  = -7x

1, -8

400

2x - 3+ x² = 0

1, -3

500

m² − 10m  = -5

5 + 2 square root 5, 5 - 2 sq root 5