AFDA Unit 2 Review

Unit 2.1

100

Solve the equation by taking the square root : 

x²-9=0

x = plus or minus 3

200

Solve the equation by taking the square root : 

7x²-63=0

x = plus or minus 3

300

Solve the equation by taking the square root : 

x²+9=13

x = +2 and -2

400

Solve the equation by taking the square root : 

x²-16=0

x = 4 and -4

500

Solve the equation by taking the square root : 

x² = 225

x = plus or minus 15

Unit 2.2

100

Solve the following:

x^2+2x+1=0

x=-1

200

Solve for the following:

x^2+7x+12=0

x=-4,-3

300

Solve the following:

x^2+5x+6=0

x=-3,-2

400

Solve by Factoring:

x^2+37x+210=0

x=-30,-7

500

Solve by Factoring:

x^2+11x+30=20

x=-10,-1

Unit 2.3

100

Solve the Quadratic

x²-4x+3=0

x=1,3

200

Solve the Quadratics by Factoring 

x²-10x+16=0

x=2, 8

300

Solve the Quadratics by Factoring

x^2-5x+6=0

x=2,3

400

Solve the Quadratics by Factoring

x^2-15x+56=0

x=7,8

500

Solve the Quadratics by Factoring

x^2-19x+60=0

x=4,15

Unit 2.4

100

Solve:

x^2+4x-5=0

x=-5,1

200

Solve:

x^2+x-12=0

x=-4,3

300

Solve:

x^2-5x-6=0

x=-1,6

400

Solve:

x^2+5x-6=0

x=-6,1

500

Solve:

x^2-8x-240=0

x=-12,20

Unit 2.5

100

Solve:

x^2-16=0

x=-4,4

200

Solve:

9x^2-64=0

x=-8/3,8/3

300

Solve:

x^2+4x+4=0

x=-2

400

Solve:

4x^2-256=0

x=-8,8

500

Solve:

81x^2-144x+64=0

x=8/9