Quadratics Review

Factoring

100

Factor: x²-5x+6

(x-3)(x-2)

200

Factor

x²-15x+50

(x-10)(x-5)

300

Factor

2x³+6x²-4x-12

(2x²-4)(x+3)

400

Factor: 

5x²-x-18

(5x+9)(x-2)

500

Factor: 6x²+37x+6

(x+6)(6x+1)

Solving for Zeros

100

x²+5x+4=0

x= -1,-4

200

x²=64

x=8,-8

300

x²-36=0

x=6,-6

400

2x²+6x=-4

x=-1,-2

500

12x²-13x+3=0

x=4,9

Quadratic Formula

100

Solve by using Quadratic Formula:

2x²-3x-5=0

x= 10/4, -1

200

Solve with Quadratic Formula 

x²-6x+12

(6+-isqrt(12))/2

300

What is B in this equation?

x^2+15x-7 =0

15

400

Solve using the Quadratic Formula

4x^2-3x+2

(3+-isqrt(23))/8

500

Solve using the Quadratic Formula

6x²+3x=-2

(-3+-isqrt(39))/12

Solving by Taking the Square Roots

100

x²=21

+-sqrt(21)

200

x²-12=88

+-10

300

2x²=144

+-6 sqrt(2)

400

-7x²=-448

+-8

500

4x²+1=325

+-9

Complex Numbers

100

Solve:

(8+6i)-(10+17i)

-2-11i

200

Solve:

(14+10i)+(5+6i)

19+16i

300

(5-7i)(6-2i) 

16-52i

400

(-3+7i)(12+9i)

-99+57i

500

(12+2i)(-9-5i)

-98-78i