Important Stuff
Slope
Making Equations!
Word Problem Fun!
Solve!
100
What is another word for "rate of change?"
Slope
100
What is the slope of the line represented by the equation 10x-5y=13?
m=2
100
What is the equation if m = 3 and a point is (0,10)?
what is y = 3x + 10?
100
Michael has $500 in his account. If her earns $50 per day working for his dad what is an equation to represent how much money(y) he will have in x days.
What is y = 50x + 500
100
A
12x+19=4(-2x+5)
200
What does the initial value or one time fee represent in a word problem?
It represents the y- intercept.
200
Find the slope if the points are (-5,9) & (6, 75)
m = 6
200
if your slope is 4 and you have a point at (10, 8) what is the equation?
y=4x-32
200
A dog grows 2.5 grams every day, and on the 10th day of its life weights 87.5 grams. Write an equation!
y = 2.5x +37.5
200
B
(x^3y^-4)/(y^-7)
300
What is the slope for a horizontal line? A vertical Line?
Horizontal m=0
Vertical m= Undefined
300
(-6,-6),(8,-10)
What is the slope?
The slope is m=-2/7
300
What's the equation for a line that goes through the point (-4,5) and has a slope of -7
y = -7x-23
300
Mr. De Stefano has been eating too many skittles. If he has 4 every minute, how many minutes will it take him to eat 50 skittles? He has already consumed 22 skittles.
Y=4x+22
7 minutes
300
C
Find Domain and Range
400
What is the formula for finding slope (m)?
m = y2-y1/x2-x1
400
Find the Equation of Both lines.
y=-5x-4
y=2x+3
400
What is the equation of a line including the points (2,4) and (4,7)?
y=(3/2)x+1
400
A truck uses diesel at a rate of 1/16 gallon per mile driven. After driving 80 miles, the fuel gauge shows 12 gallons remaining in the tank. How much gas is in the tank before the drive started?
started with 17 gallons.
400
E
f(x) = 3(-x-10)+5x
Find f(3)
500
What form is this y=mx+b?
What is Slope-Intercept Form
500
what are the equations of these lines?
y=3/4 x -3
y=-1/2 x -8
500
What is the equation of a line that goes through the points (10,4) and (-2,0)
y=1/3x-2/3
500
A tree grows at 2.5 feet a year. At 32 years it is 90 feet tall. Make an equation! How tall is this tree in 500 years?
y=2.5x+10
at 500 years it is 1,260 feet tall
500
D
F(3)= F(-6)= F(x)=-3 F(x)=6