what is the slope? undefined. what is the slope? m = -1

What is the slope?

5 1 4

1 1 0

undefined

What is the slope?

6 7 1

7 6 1

m = -1

What is the slope?

4 2

6 3

rise

run

What is the slope?

1

5

2

10

What is the slope?

(–3, –5) and (–7, –5)

5 5 5 5 00

7 3 7 3 4

rise

run

slope = 0

What is the slope?

(–½, 4) and (–½, 10)

undefined

10 4 6

.5 .5 0

rise

run

Solve for y.

(3, 2), (9, y); m = 2

32 2

9 3 3

rise ym

run

3( 2) 2(9 3)y

3 6 12y 6y

Solve for y.

(3, 2), (9, y); m = 2

3

6 2 4 2

9 3 6 3

risem

run

2x + 4y = 12

What is the x-intercept?What is the y-intercept?

x y

x-intercept 0

y-intercept 06

3

4x – 2y = 10

What is the x-intercept?What is the y-intercept?

x y

x-intercept 0

y-intercept 0

10 5

4 2

5

What is the slope?What is the y-intercept? y = 4x – 3

4m 3b

4

1m (0, 3)

What is the slope?What is the y-intercept?

9x – 3y = –11

33

y x 3m 1

3b

3

1m 1

(0, )3

Are these 2 lines parallel?How do you know?

4x + 6y = 12 & 4x – y = 8

22

3y x 4 8y x

NO! They have different slopes.

Evaluate f(x) =11x + 3 when x = -1.

11( 1) 3 11 3 8

( 1) 8f

Evaluate p(x) = –3x –2 when x = -1.

3( 1) 2 3 2 1

( 1) 1p

Evaluate when x = -6.23

2)(

xxh

2( 6) 2 4 2 6

3

( 6) 6h

Put into slope-intercept form.

21714 yx

7 14 21y x

2 3y x

Given f(x) = –3x + 1.

Find the value of x when f(x) = 10

10 3 1x 3x

Put into slope-intercept form.

–x + 2y = –24

2 24y x

122

xy

Match the equation with the correct description.

4y x 1

4y x

4y x 4y x

Match the equation with the correct description.

up 4 units

vertical shrinkvertical stretch

down 4 units

Match the equation with the correct description.

4y x 1

4y x

4y x 4y x up 4 units

vertical shrinkvertical stretch

down 4 units