Quadratics

Quadratic equation and function

100

Who made the quadratic formula 

Muhammad bin Musa al-Khwarizmi

200

solve the quadratic equation using the quadratic formula: x² + 6x + 5 = 0

x = -1, -5

Square roots

100

Solve the quadratic equation by using square roots: x² = 9

x = 3, -3

200

solve the following quadratic equation by square roots x² = 81

x = 9

300

solve the following quadratic equation by using square roots: x² + 4 = 20

x = 4

400

solve the following quadratic by using square roots: 2x² - 1 = 1

x = 1

Factoring

100

Solve the quadratic equation by factoring. x² + 5x + 4

x = -5, -1

200

Solve the following quadratic by factoring x²  - 12x + 36

x = -6

300

Solve the following quadratic by factoring 2x² - 10x - 12

x = 6, -1

400

solve the following equation by factoring 2x² - 5x - 3 

x = -1/2, 3

Find the Vertex

100

Find the vertex of f(x)= -x² + 8x - 15

(4,1)

200

Find the vertex of f(x)= x² - 2x

(1,-1)