Given slope and a point
Slope = -3
Point = (9,2)
y=-3x+29
(12,8) and (4,3)
5/8
(3, -5) and (-7, 5)
y=-x-2
y - 2=8(x-3)
y=8x-22
To earn some money, you will clean your neighbor's house. You charge $11 per hour plus a $5 fee. Write an equation to represent the situation.
y=11x+5
Slope = 8
Point = (6,2)
y=8x-46
(7,9) and (13,5)
-2/3
y=1/3 x-5
y +17=-3(x-1)
y=-3x-14
The cost of renting a jet ski is $40 per hour plus a $50 fee. What is the equation in Slope intercept form?
y=40x+50
m=2/5 and (-5,5)
y=2/5 x +7
(-2,6) and (4,7)
1/6
(-5,6) and (5,2)
y=-2/5 x +4
y-11=1/5(x-5)
y=1/5x+10
y=1/5x+10
Scott collects hats. He has 65 hats and plans on buying 12 per year. Write the equation in slope intercept form.
AND How many hats will he have in 3 years?
y=12x+65
101 hats
m=1/3 and (3,-5)
y=1/3 x-6
(0,4) and (0,7)
0
(3,-1) and (6,-1)
y=-1 or y=0x-1
y-2=1/6(x-3)
y=1/6x-2.5
Sarah's car was worth $18,000 when she bought it. Each year it's value drops $1500. Write the equation in Slope intercept form.
AND When will the car be worth $10,500?
y=-1500x+18000
7 years
m=1/2 and (-4,6)
y=1/2 x +8
(-9,-7) and (7,-4)
3/16
(4,9) and (4,-1)
x=4
y+3=-5(x+2)
y=-5x-13
Isaac had 83 pieces of candy. He ate 5 pieces each day. Write the situation in slope intercept form.
AND how many days will it take him to run out of candy?
y=-5x+83
17 days (16.6)