Complete the Square
Vocab
Quadratic Formula
Square root
Factoring
100

Solve by completing the square 

X^2+14x+15=0

(1,-15)

100

What is Vertex?

The Highest or lowest point on the parabola

100

Solve using the quadratic formula

2m^2+2m-12

(2,-3)

100

Solve using square roots

k^2=16

(4,-4)

100

Solve by factoring

m(m-3)=0

(3,0)

200

Solve by completing the square

x^2+6x+8=0

(-2,-4)

200

What is Axis of Symmetry

The Center line where the parabola mirrors

200

Solve using the quadratic formula

x^2+4x+3=0

(-1,-3)

200

Solve using square roots

2n^2=-144

no solution

200

Solve by factoring

n^2=-18-9n

(-6,-3)

300

Solve by completing the square

x^2-12x+11=0

(11,1)

300

What is parabola

A graph of a quadratic function

300

Solve using the quadratic formula

4b^2+8b+7=4

(-1/2,-3/2)

300

Solve using square roots

7x^2=-21

no solution

300

Solve by factoring

7v^2-42=-35v

(-6,1)

400
Solve by completing the square

r^2-4r-91=7

(2+sqrt(102),2-sqrt(102))

400
Quadratic Formula

Ax^2+bx+c=0 A method of solving quadratics

400

Solve using the quadratic formula

k^2-31-2k=-6-3k^2-2k

(5/2,-5/2)

400

Solve using square roots

k^2=76

(8.717,-8.171)

400

Solve by factoring

3x^2-8x=16

(-4/3,4)

500

Solve by completing the square

p^2+14p-38=0

[−7 + Sqrt(87), −7 − sqrt(87)]

500

What is Roots

Where the parabola crosses the X axis

500

Solve using the quadratic formula

8n^2+4n-15=-n^2

(-2+2sqrt(37)/9,-2-2sqrt(37)/9)

500

Solve using square roots

-6m^2=-414

(8.306,-8.306)

500

Solve by factoring

42x^2-69x+20=7x^2-8

(7/5,4/7)

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