9.1 - 9.3 Review

Solving by Graphing

100

Solve by graphing:

1=12x^2+11x

What are:

x=0.08, -1

200

Solve by graphing:

1/9x^2-9=0

What are:

x=9,-9

300

Solve by graphing:

1/12x^2-12=0

What are:

x=-12,12

400

Solve by graphing:

4x^2+7x=9

What are:

x=-2.61,0.86

Solving by Factoring

100

Solve by factoring:

(4x-1)(3x+7)=0

What are:

x=1/4,-7/3

200

Solve by factoring:

(8x-5)^2=0

What is:

x=5/8

300

Solve by factoring:

(6x-5)(4x+3)=0

What are:

x=5/6,-3/4

400

Put the following in factored form, then solve:

x^2+2x-3=0

What is:

(x+3)(x-1)=0 and x=1,-3

Rewriting Radical Expressions

100

Simplify:

4sqrt48

What is:

16sqrt3

200

Multiply and simplify:

sqrt(10b^3)*sqrt(8b)

What is:

4b^2sqrt5

300

Simplify:

sqrt(9a^4b^7)

What is:

3a^2b^3sqrtb

400

With two legs of a right triangle equal to 12 and 35, find the hypotenuse. 

What is:

37