slope and y-intercept
Rise/Run = slope
y=mx+b
Graph using y=mx+b
Solve for x and y
Translate to y=mx+b
100
Identify the slope for the equation
y=x+24
What is m=1
100
You go up 3 , and right 6, find the slope in simplest form
What is
m=1/2
100
What is the equation if m=2 and b=5 (remember m is slope and b is the y-intercept)
What is y=2x+5
100
Are these slopes positive or negative?
positive
100
solve for x
2x+3 = 15
x=4
100
Mea makes $15 per hour babysitting plus another $50 just for being her cute self. :) Write an equation to model the total amount of money she will have.
y = 15x + 100
200
Identify the y-intercept for the equation
y=-9x-8
What is b=-8
200
You go down 1, and right 2, find the slope in simplest form
What is
m=-1/2
200
What is the equation if m=1/2 and b=5
What is
y=1/2x+5
200
What is the equation?
y=-2x+2
200
Solve for x:
1/4x - 5 = 8
x=52
200
Leila loves Hershey bars. She has $50 to spend and each Hershey bar costs $2. Write an equation to model the number of Hershey bars she can buy.
y = 50 - 2x or
y = -2x + 50
300
Identify the slope and y-intercept for y=5x-5.
m= _______ and b=__________
What is m=5 and b=-5
300
You go up 0, and right 6, find the slope in simplest
What is
m=0
300
The equations when m=1/4 and b=-1
What is
y=1/4x-1
300
What is the equation?
y=2x+1
300
Solve
-16 = 2/3x
x=-24
300
Logan has a job mowing lawns. He charges $25 just for showing up and then $10/hour. Write an equation to model the total amount of money he can earn.
y = 10x + 25
400
Identify the y-intercept for
y=4(3x+2)
What is b=8
400
You go down 4, and left 6, find the slope in simplest form
What is m=2/3
400
set up the equation in slope intercept form:
5x-2y=3x+1/4
What is
y=x-1/2
400
Draw a line with a negative slope and a second line with a positive slope
(See Graph from teacher)
400
solve
(x+2)/3=-4
x=-14
400
Hunner plans on selling some of her clothes to buy new Air Pods. She's already saved $50. If she sells each item for $5, how long will it take her to save enough to buy them? Write an equation to model this.
y = 5x + 50
500
Identify the slope for y=3(-6)+4-3(4/2)
what is m = 0
500
You go down 8, and left 4 , find the slope
What is m=2
500
What is the equation when the slope is undefined and the line does not go through the y axis but does go through the point (5,6)
x=5
500
Draw a line with a slope of 0. And give me a solution of this graph
Any horizontal line that goes through the point
500
Make 2 separate equations. One solves for x the other solves for y
(1/4)y-(4/5)=6x
x=1/6(1/4y-4/5)
y=4(6x+4/3)
500
Uriel and Ana are planning on going to Mexico with their families to visit their abuelas. Their parents have $500 for the trip, but need to earn more. Uriel and Ana decide to help by doing odd jobs. They can earn $25 per hour each. Write an equation to model this situation.
y = 2(25x + 250)