Chapter 2

solving

100

-47-6x=21x-3

x=-2

200

-4(7-6x)=21x-4

x=8

300

5x+27=-12x-3+2x

x=-2

400

-4x+4=-2-10x+4x

x=-3

500

-7(-3x+6)=-17-4x

x=1

slope

100

What is the slope and y-intercept?

y=4x+10

slope=4

y-intercept= 10

200

(-2,  22) and (6, 10)  

-3/2

300

(12,  4) and (6,  5)

-1/6

400

What is the growth and starting point?

y=-6x-14

growth= -6

starting point= -14

500

(-5,-6) and (-1,6)

3

equations

100

Write the equation of a line through (10,  13) with a slope of 5.

y=5x-37

200

Write the equation of a line through (12,  17) with a slope of 2.

y=2x-7

300

Write the equation of the line that passes through 

(7, -8) and (-5, 16).

y=-2x+6

400

Write the equation of the line that passes through 

(3, -14) and (-4, 7).

y=-3x-5

500

Write the equation of the line that passes through 

(-2, -4) and (2, 2).

y=3/2x-1

function

100

How do you determine if a graph is a function?

vertical line test

200

true or false: In order for something to be a function the y values must be the same for the same x value.

true

300

x: 2, -4, 3,  8, 10

y: -6, 5, 3, -6, 4

function

400

x: -2, -4, -2, 4, 10

y: -6, -3,  6, -1, 4

not a function

500

x: -2, 2, -2,  2, 4

y: -6, 3, -6, -3, 1

not a function

exponents

100

(3a⁵b⁴)∙(6ab²)

18a⁶b⁶

200

(2a⁸b)∙(4a^-3b)

8a⁵b²

300

(2x²y⁵)⁴

16x⁸y²⁰

400

(3x⁴y⁶)³

27x¹²y¹⁸

500

(2x²y⁵)^2 . (3xy)²

36x⁶y¹²