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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