Slope
Find the slope between the 2 points
(1,3) ; (5,10)
7/4
Write an equation in slope intercept form.
m=4
b=3
y=4x+3
Caroline walked 3 miles to warm up. She then ran at a rate of 7 miles per hour. Find the total
number of miles completed if she ran for 2 hours.
17 Miles
Identify the x and y intercepts.
-x/3-y/11=1
x-intercept : -3
y-intercept : -11
Find the Slope between the 2 points.
(8,0) ; (7,10)
-10
Write an equation in slope intercept form.
m=-3/5
b=-17
y=-3/5x-17
After a blizzard, 18 inches of snow sat on Maggie’s driveway. She measured the snow eachhour and determined that it was melting at a rate of 0.5 inches per hour. Find the height of the snow in her driveway after 9 hours.
13.5 inches
Identify the x and y intercepts.
4x+8y=48
x-intercept = 12
y-intercept = 6
Find the slope between the 2 points.
(1,-5) ; (2,3)
8
What is the slope and the y-intercept?
y=-2/3x-7
m=-2/3
b=-7
Daniel went hiking. He began his hike at an altitude of 120 feet. He climbed at a rate of 25 feet every half hour. What is Daniel’s altitude after 6 hours of hiking?
420 Feet
Identify the x and y intercepts
3x-18y=-36
x - intercept = -12
y - intercept = 2
Find the slope between the 2 points.
(-4,-8) ; (4,8)
2
What is the slope and the y-intercept?
y=8-4/3x
m=-4/3
b=8
At 4:00 p.m., the temperature was 90° F. After this point, the temperature dropped 1.5° F per hour until sunrise the next morning.
Write an equation to represent the temperature, t, after h hours.
t = -1.5h + 90
Write in Standard Form
x/3+y/4=1
4x+3y=12
(4,10) ; (0,8 )
1/2
What is the slope and the y-intercept?
y=-9/5x+4
m=-9/5
b=4
At 4:00 p.m., the temperature was 90° F. After this point, the temperature dropped 1.5° F per hour until sunrise the next morning.
If sunrise was at 6:00 a.m. the next morning, what was the temperature?
69 degrees
Write in Standard Form
-x/5+y/10=1
2x-y=-10