Solving Quadratic Equations Review AEHS

All Things Quadratic

100

What are the zeroes? y=(x+2)(x-1)

x=-2 and x=1

200

y=2x²-4x+5 What is the Axis of Symmetry?

x=1

300

What is the vertex? y=-(x+5)²-6

(-5,-6) 

400

What is the y-intercept? y=x²+2

(0,2)

500

x²-6x+8=0 Solve be factoring.

(4,0)(2,0)

Solving Quadratics By Taking Square Roots

100

Solve the equation by taking the square root : 

x²=9

x = plus or minus 3

200

Solve the equation by taking the square root : 

7x²=63

x = plus or minus 3

300

Solve the equation by taking the square root : 

x²+9=13

x = plus or minus 2

400

Solve the equation by taking the square root : 

(x-4)²-16=0

x = 0 and x=8

500

Solve the equation by taking the square root : 

6x²-9=255

x = plus or minus 2 square root 11

Solve by any method

100

v²+2v-8=0

2 and -4

200

4(x+1)²=16

1 and -3

300

x²+2x-24=0

-6 and 4

400

x²-11x+19=-5

3 and 8

500

What is the vertex? y=(x+1)²

(-1,0)

Quadratic Formula

100

Solve by using the Quadratic Formula 

3x²+9x-2=0

 x=(-9+-sqrt(105))/6 

200

Solve by using the Quadratic Formula 

2x²-9x-5=0

x = 5 , -1/2

300

Solve by using the Quadratic Formula 

6x²-7x+6=0

  x=(7+-sqrt(-95))/12

400

Solve by using the Quadratic Formula 

2x²+2=-5

 x=+-sqrt(-14)/2 

500

Solve by using the Quadratic Formula 

2x²+11x+ 9=0

x = -1, -9/2

Solve by Factoring

100

Solve the Quadratics by Factoring

x²+2x=3

-3,1

200

Solve the Quadratics by Factoring 

x²+16=10x

2, 8

300

Solve the Quadratics by Factoring

6n²-n=2

-1/2 and 2/3

400

Solve the Quadratics by Factoring

x²-5x+6=0

2 and 3

500

Solve the Quadratics by Factoring

2x²-8=31x-2x²

-1/4 and 8