What's the slope?
What's the y-intercept?
Writing Equations in Slope-Intercept Form
Solve using a linear equation
If you dare...
100
Find the slope given the points (-2, -2) and (4, 1)
1/2
100
The U.S. Bureau of the Census predicted that the population of Florida would be about 17.4 million in 2010 and then would increase by about 0.22 million per year until 2015.
the y-intercept is 17.4 million
100
What is the equation of the graph that goes through (0,-3) & (2,1)?
y = 2x - 3
100
Hilary ate a total of 5 cookies. She ate 1/2 a cookie per hour. How many hours did it take her to eat that many cookies?
10 hours
100
GOOD JOB FOR CHOOSING THIS
TRADE YOUR TEAM'S POINTS WITH ANOTHER TEAMS
200
the slope of the graph is 2
200
b= 0
200
y= 2/3x - 2
200
J.J. was playing monopoly with his sister. They both started with $500. After 4 rounds J.J. was down to $250. How much monopoly money did he lose each round?
$62.50
200
YIKES
your team loses 200 points
300
the slope of the table is 13
300
b = 2400
300
Hilary ate a total of 5 cookies. She ate 1/2 a cookie per hour.
y = 1/2x
300
You are renting a bounce house for your brother's birthday party. The total for 4 hours is $150. There is a set up fee of $30. How much does this company charge per hour?
$30
300
SWAP...
one of your team members with someone else from another team
400
Jack works in his mother's restaurant and his mom starts her day off with 400 pounds of beans. The mom uses about 5.5 pounds of beans a day in her restaurant. Write an equation that can be used to find y, the number of pounds Jack's mom has after x, number of days.
the slope is -5.5
400
Given the points, (25, 140) and (35, 200) find the y-intercept.
b = -10
400
y = 75x + 250
400
An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute. Find the altitude of the plane after 5 minutes.
20,000 feet
400
CONGRATULATIONS
FREE 400 POINTS
500
An airplane, 30,000 feet above the ground, begins descending at a rate of 2,000 feet per minute.
slope is -2,000
500
b = 6
500
y=-5/4x + 1.5
500
At the school carnival Jackson ended the night with a total of 125 tickets. He earned 5 tickets per game played and he played 20 games. All students were given a set amount of tickets at the beginning of the night. How many teachers did each student get at the start of the night?
25 tickets
500
YOU GET FREE POINTS...
TO GIVE TO ANOTHER TEAM. CHOOSE A TEAM TO RECEIVE 500 POINTS.