Algebra 1: Solving Quadratic Equations Jeopardy

Solve each equation by factoring.

100

(x+4)(x+5)

-4, -5

200

(x+3)(x-5)

-3, 5

300

r² + 7r + 12 = 0

-4, -3

400

v² + 7v +6 =0

-1, -6

Solve using square roots.

100

x² = 25

x= 5 or x = -5

200

x ² = 16

x = 4 or x = -4

300

36 = x²

a = 6 or a = -6

400

± 2 - 7 = ?

x = -5

x = -9

Solve each equation with the quadratic formula

100

m² − 5m − 14 = 0

{7, −2}

200

b² − 4b + 4 = 0

{2}

300

2x² − 3x − 5 = 0

{5/2 , −1}

400

9n² = 4 + 7n

{ 7 + square root of 193 / 18, 7 - square root of 193 / 18}

☠Pick your Poison (choose method)

100

a² + 14a - 51 = 0

{3, -17}

200

x² − 12x + 11 = 0

{11, 1}

300

n² - 18n - 40

{20, −2}

400

x² − 10x + 18

{5 + square root 7, 5 square root − 7}

Solving by Completing the Square

100

What special number "c" will complete the square:

x²-10x 

+25

200

After you complete the square with the "special constant", what will go in the ?'s of the factors?

x² + 6x + ____ = 15 + ___

( ?  +   ? )²

(x + 3)

300

Solve the equation by completing the square method.

x²-16x=-15

x = 1 & 15

400

Solve the equation by completing the square method.

x²+10x + 9 = 0

x = -9 , -1