Algebra 1: Solving Quadratic Equations Jeopardy

Solve each equation by factoring.

100

x²+ -2x - 15 = 0

5, -3

200

9x² + 39x+36=0

-4/3, -3

300

7x² + 49x+84=0

-4, -3

400

3x² + 7x - 40=0

8/3, -5

500

2x²+11x+6=0

-5,-1/2

Solve each equation with the quadratic formula

100

x² − 5x − 14 = 0

{7, −2}

200

x² − 4x + 4 = 0

{2}

300

2x² − 3x − 5 = 0

{5/2 , −1}

400

9x² = 4 + 7x

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

500

x²+6x-12=0

3+/-sqrt(21)

☠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 + 26 = 8

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

500

15x² − 2x − 1= 0

-1/5,1/3

Solving by Completing the Square

100

Complete the square for the equation

x²-10x+2=0

5+/-sqr(23)

200

Solve the equation

3g²-24g+27=0

g = 6.65 & 1.35

300

Solve the equation.

x²-16x=-15

x = 1 & 15

400

Solve the equation.

x²+11x=-10

x = -10 & -1

500

x² + 10x -15 = 0

-5+/-sqr(40)