1. Warm-up
A clothes designer manufacturers 108 pairs of shorts every 9 minutes. What is the slope of the line and what does it represent?
Write the equation of the line give the two points on the line.
(-1, 4) and (2, -2)

2. Warm-up (ANSWERS)
A clothes designer manufacturers 108 pairs of shorts every 9 minutes. What is the slope of the line and what does it represent? 12/1 explanation: 12 pairs of shorts per 1 minute
Write the equation of the line give the two points on the line.
(-1, 4) and (2, -2) y = -2x + 2

3. Slope Pick a Ride
20,000 Leagues Under the Sea
Big Thunder

4. Pick the ride you are most comfortable with…
Pick a Ride
Pick the ride you are most comfortable with…
“20,000 Leagues Under the Sea”
Feeling like you’re underwater? This is the ride for you!

5. Pick the ride you are most comfortable with…
Pick a Ride
Pick the ride you are most comfortable with…
“Big Thunder”
Ready for a little more challenge? This is the ride for you!

6. Pick a Ride … undefined/no slope positive Identify the type of slope.

7. Pick a Ride … negative zero Identify the type of slope.

8. Pick a Ride … zero undefined Identify the type of slope.

9. Positive, negative, zero, & undefined.
Pick a Ride …
Name the 4 types of slope.
Define slope.
Positive, negative, zero, & undefined.
Steepness of a line.

10. Pick a Ride … undefined zero A vertical line has this type of slope.
A horizontal line has this type of slope.
undefined
zero

11. Pick a Ride … m = 1/2 m = 2/1 or 2 Count the Count the slope. slope.6 9 12 3 x y
Gallons
Cost of Gas
Cost
m = 1/2
m = 2/1 or 2

12. Pick a Ride … m = -1/1 or -1 m = -2/3 Count the Count the slope.

13. Pick a Ride … -2 7/4 Find the slope that passes through the 2 points:
(2, 0) and (0, 4)
Find the slope that passes through the 2 points:
(-2, -3) and (2, 4) -2
7/4

14. Pick a Ride … 5 -2/5 Find the slope that passes through the 2 points:
(4, 4) and (3, -1)
Find the slope that passes through the 2 points:
(19, -2) and (-11, 10) 5
-2/5

15. Pick a Ride … 0/4 = 0 21/0 = undefined
Find the slope that passes through the 2 points:
(0, 4) and (4, 4)
Find the slope that passes through the 2 points:
(17, -13) and (17, 8)
0/4 = 0
21/0 = undefined

16. Pick a Ride …
Find the slope from the table & write the equation of the line in slope intercept form
Find the slope from the table & write the equation of the line in slope intercept form x y -2 1 4 2 7 10 x y 2 -3 -2 7 -4 12
m =3/2
Y = 3/2x + 4
m = -5/2
y = -5/2 + 2

17. Pick a Ride … -4/3 -7/5 Find the slope from the table.x y -2 8 1 4 7 -4 x y
-46 44
-36 30
-26 16
-16 2
-4/3
-7/5

18. Pick a Ride … (4,0) and (0,4) (5,0) and (0,3)
Find the x-intercept and the y-intercept:
x + y = 4
Write as ordered pairs.
Find the x-intercept and the y-intercept:
3x + 5y = 15
Write as ordered pairs.
(4,0) and (0,4)
(5,0) and (0,3)

19. Pick a Ride … (-2,0) and (0,5) (-6,0) and (0,4)
Find the x-intercept and the y-intercept:
-5x + 2y = 10
Write as ordered pairs.
Find the x-intercept and the y-intercept:
2x – 3y = -12
Write as ordered pairs.
(-2,0) and (0,5)
(-6,0) and (0,4)

20. Pick a Ride … y = 1/2x + 3 y = 3/4x - 2
Write an equation in slope-intercept form:
m = ½
b = 3
Write an equation in slope-intercept form:
m = 3/4
b = -2
y = 1/2x + 3
y = 3/4x - 2

21. Pick a Ride … y = -2x - 1 y = -1/6x - 4
Write an equation in slope-intercept form:
m = -4/2
b = -1
Write an equation in slope-intercept form:
m = -3/18
b = -12/3
y = -2x - 1
y = -1/6x - 4

22. Pick a Ride …
Write the equation for the graph in slope-intercept form.
Write the equation for the graph in slope-intercept form.
y = 1/2x + 1
y = 2x - 2

23. Pick a Ride … y = -1x + 4 y = -2/3x - 2
Write the equation for the graph in slope-intercept form.
Write the equation for the graph in slope-intercept form.
y = -1x + 4
y = -2/3x - 2

24. Pick a Ride … y = -2x + 8 y = -2x + 4
Write the equation in slope-intercept form by solving for y:
2x + y = 8
Write the equation in slope-intercept form by solving for y:
6x + 3y = 12
y = -2x + 8
y = -2x + 4

25. Pick a Ride …
Write the equation in slope-intercept form by solving for y:
4x - 2y = 6
Write the equation in slope-intercept form by solving for y:
11x - 7y = 49
y = 2x - 3
y = 11/7x + 7

26. Pick a Ride …
Write the equation in slope-intercept form by solving for y:
-9x + 3y = -18
Write the equation in slope-intercept form by solving for y:
-4.5x + 9y = 18
y = 3x - 6
y = 1/2x + 2

27. Pick a Ride … y = -3x + 285 y = 2x + 7 264 lbs. 21 in.
Write the equation in slope-intercept form.
Write the equation in slope-intercept form.
Kailee is tracking the progress of her plant’s growth. Today the plant is 7 in. high and is growing at 2 in. per day. How tall will the plant be in 7 days?
Martin weighs 285 lbs. and started a diet. He is losing 3 pounds per week. How much will he weigh in 7 weeks?
y = -3x + 285
264 lbs.
y = 2x + 7
21 in.

28. Pick a Ride … y = -1,300x + 20,000 y = 50x + 200 $9,600 $350 saved
Write the equation in slope-intercept form.
Write the equation in slope-intercept form.
Penny has $200 in her savings account and is saving $50 each month. How much will she have saved in 3 months?
MJ has $20,000 is his bank account and spends $1,300 each month. How much will MJ have left after 8 months?
y = -1,300x + 20,000
$9,600
y = 50x + 200
$350 saved

29. Pick a Ride … y = 1/8x + 0 y = .10x + 30 12 miles $50
Write the equation in slope-intercept form.
Write the equation in slope-intercept form.
A cell phone plan costs $30 per month plus $0.10 per text message. If you send 200 text messages this month, how much would you have to pay?
Mallory runs 2 miles in 16 minutes. How many miles will she run in 96 minutes?
y = 1/8x + 0
12 miles
y = .10x + 30
$50

30. Pick a Ride … y = -4x + 13 y = -1/3x - 2
Write the equation in slope-intercept form given 2 points:
(2, 5) and (3, 1)
Write the equation in slope-intercept form given 2 points:
(9, -5) and (6, -4)
y = -4x + 13
y = -1/3x - 2

31. Pick a Ride … y = -3/4x + 2 y = -2x - 10
Write the equation in slope-intercept form given 2 points:
(0, 2) and (4, -1)
Write the equation in slope-intercept form given 2 points:
(-4, -2) and (-6, 2)
y = -3/4x + 2
y = -2x - 10