Anna's Review

find the intercept

100

y=2x+4

y intercept = 4

x intercept = -2

200

3x+2y=12

x intercept: 3

yintercept: 6

300

6y=x+12

y intercept = 2

x intercept =-12

400

-x + 1/2(y)=-2

x intercept: 2

y intercept:-4

500

-2(x+3)+y=-8

x intercept:1

y intercept:-2

which quadrant

100

(2,3)

quadrant 1

200

(4, -4)

4

300

(-3, 9)

2

400

(-8, 12)

2

500

(-5, -9)

3

find the slope

100

(1, 5) (2,8)

slope=3

200

(2,4) and (4,6)

slope is 2/2 or 1

300

(3,2) and (5, 6)

slope: 4/2 (or 2)

400

(0, -5) and (3, 5)

slope= 10/3

500

(2, -2) (0, -3)

slope: 1/2

domain and range

100

y=2x+3

domain: -2, -1, 0, 1, 2

what is the range?

range: (-1, 1, 3, 5, 7)

200

f(x) = 3 + 2x ;

 Domain = { –3, 6, 10, 13, }

range?

{ –3, 15, 23, 29}

300

when y=1/4(x) - 3

domain: (-8, -4, 0, 4, 8)

what is the range

range:(-5, -4, -3, -2, -1)

400

f(x) = 5 –(3/7) x 

 Domain = {–7, 0, 14}

find the range

{8, 5, –1}

500

when 2y= (1/2)x - 6

domain: -4, -2, 0, 2, 4

what is the range

range: (-4, -7/2, -3, -5/2, -2) 

using y=mx+b

100

what is the slope and y intercept in:

y=-3x+2

slope is -3 

yintercept is 2

200

what is the slope and y intercept in:

y=4/5(x)-3

slope is 4/5

y intercept is -3

300

what is the slope and y intercept in:

3y=4x+9

slope is 4/3

y intercept is 3

400

what is the slope and y intercept in:

4(5x+3)=2y

slope 10

y intercept 6

500

what is the slope and y intercept in:

3=(x/2)+y

slope is -1/2

y intercept is 3