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Slope? + or - Y-intercept?. 14.97 15 ft 18+10+14.97 42.97.

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Presentation on theme: "Slope? + or - Y-intercept?. 14.97 15 ft 18+10+14.97 42.97."— Presentation transcript:

1 Slope? + or - Y-intercept?

2

3 ft

4 Each shrub Each Tree (shrub ) Total (5 times tree +15 times shrub)

5 RedBlack (4 times red) Total (red+black)

6 Positive association: one going up makes the other go up negative association: one going up makes the other go down

7 Put in order

8 x(1/2)x-3y2x+4y=0? (-3)+4(-4.5) (-1.5)+4(-3.75) (1.5)+4(-2.25) (3)+4(-1.5) Y=-4.5

9 1 30

10 90 minutes

11 slope

12 Each x goes with only 1 y Linear functions make a line!

13 12 Slope rate of change: xy Slope rate of change:

14 Y-int: (0,0)

15 Vanilla pies are too hot!!!

16 Cones are only (1/3) as hot

17

18 A ball has a diameter of 9.8 inches. Find the amount of air that the ball holds.

19

20

21 In the table below, y is a linear function of x. What is the value of y when x = 0? xy xy

22 Beginning in 2000 a sports team increased its ticket price by a constant amount each year until A ticket cost $31 in 2005 A ticket cost $36.25 in 2008 What is the price of a ticket in the year 2000? yearTicket price yearTicket price $22.25 Shortcut


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