Test 1 Review

Exponents/Radicals

100

cube root 250x⁵y¹⁶

5xy⁵ cube root 2x²y

200

simplify and write in radical form. Use a^m/n= root n (a) to the m power.

X^12/15

5th root of X to the 4th power

300

(4X³y)²

16x⁶y²

400

square root of 12x⁴y³/ square root of 3x²y

2xy

Factoring

100

6x²+23x+15

(6x+5)(x+3)

200

x²-6x+9

(x-3)(x-3)

300

x³-2x²+5x-10  

(x-2)(x²+5)

400

Identify the trinomial, place it in decending order, and identify its constant.

2x+4     or     4x+x²-2

Trinomial

x²+4x-2

constant=-2

Simplify Rational

100

(x+4)/x²-16

1/(x-4)

200

35x⁵/49x²

5x³/7

300

x²-16/x²+9x+20

x-4/x+5

400

4x²+8x/3x+6

4x/3

operations w/ polynomials

100

(9x²-13x+12)-(3x²-6x+9)

6x²-7x+3

200

(3x+5)(8x-2)

24x²-46x+10

300

(2x+1)(x²+4x+8)

2x³+9x²+20x+8

400

Complete the process

2x(3x-1) 7(3x-1)

(2x+7)(3x-1)

Linear Equations/Functions

100

Are these lines parellel or perpendicular

Y=3x+6

Y-2=3(x-5)

yes

200

What is the slope and y-intercept of the line.

Y= -2x+5

Using this line, what is the slope of a line perpendicular to y=-2x+5

m=-2    y-intercept=5 or (0,5)

m_2=1/2

300

5x-3=4x+12

15

400

Where do these lines intersect

y=100-7x

Y=-3x+11

(8.9, 37.7)

500

3x-y=-4 and y=-2x+10/3

x=-2/3