Quadratic Functions

Graphing

100

3x² + 5x - 2 = 0

{2,1/3}

200

x² + 2x + 4 = 0

No solution

300

x² - 4x + 3 = 0

{1,3}

400

x² - 4x = 0

{0,4}

500

-4x² - 12x - 8 = 0

{-2,-1}

Factoring

100

x² + 3x + 2 = 0

{-3,1}

200

x² + 5x - 14 = 0

{-7,2}

300

3x² + 33x + 30 = 0

{-10,-1}

400

x² - x - 30 = 0

{-5,6}

500

x² + 8x + 7 = 0

{-7,-1}

Square Roots

100

3x² + 7 = 55

{-4,4}

200

(x + 2)² = 25

{-7,3}

300

3x² - 48 = 0

{-4,4}

400

4x² - 36 = 0

{-3,3}

500

9x² - 81 = 0

{-3,3}

Completing the Square

100

x² + 12x + 32 = 0

{-8,-4}

200

x² - 6x + 8 = 0

{2,4}

300

x² + 4x - 12 = 0

{-6,2}

400

x² + 8x - 20 = 0

{-10,2}

500

3x² - 8x + 5 = 0

{1,5/3}

Quadratic Formula

100

x² + 2x - 3 = 0

{-3,1}

200

k² + 3k - 13 = 15

{-7,4}

300

4r² - 2r - 90 = 0

{-45.25,5}

400

2x² + 5x - 3 = 0

{-3,1/2}

500

x² + 33x - 10 = 0

{-5,2}