Finding m & b
Equations from a story problem
equations from a table or 2 points
GRAPH IT
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: -8
100
Write the equation based on the story below:
Jeremy is saving money to buy a new computer. He has already saved $255. He earns money mowing lawns. He charges $15 for every lawn he mows. How long will it take him to save enough money for an $800 computer?
y = 15x + 255
100
Write the equation based on the information in the table below:
y = 1/2 x + 4
100
Convert the equation to slope-intercept form.
8x + 4y = 16
y = -2x + 4
200
Write the equation of the line shown.
SIMPLIFY if possible.
(not simplified = wrong)
y =x
200
Write the equation based on the story problem below:
Lydia is needs to drain her pool at the end of the summer. Her pool currently holds about 2,500 gallons of water. It drains at a rate of 15 gallons every minute. How long will it take to completely empty the pool?
y = -15x + 2,500
200
Write the equation based on the information in the table below:
y = -1/2x + 7
200
Convert the equation to slope-intercept form.
3x -12y = 36
y = 1/4x-3
300
Identify the slope and y-intercept of the equation y=5x+16.
SIMPLIFY if possible
(not simplified = wrong)
m= 5
b = 16
300
Write the equation based on the story problem below:
Tia owes her friend $75 dollars. She decides to babysit to earn enough money to pay her back. She is going to charge $8 an hour. How long will she have to babysit to get enough money?
y = 8x - 75
300
Write the equation of a line give the following 2 points:
(2, 4) and (0, 5)
y = 1/2 x + 5
300
Convert the equation to slope-intercept form.
5x + 2y = 32
y=-5/2x+16
400
State the slope and y-intercept from the graph.
m = undefined
b: none
400
Write the equation based on the story problem below:
Jayden currently has about $36,750 in student loan debt. If he pays $350 a month towards his loan, how long will it take him to pay it off (not including interest)?
y = 350x - 36,750
400
write the equation based on the information in the table below:
y = -x + 67
400
Convert the equation to slope-intercept form.
-8x + 4y = 96
y = 2x +24
500
Identify the slope and y-intercept of the equation.
y = -x + 12
m = -1
b = 12
500
Write the equation based on the story problem below:
After a drought, it finally rains one day. According to the rain gauge, there is 1.75 inches of rain after one hour.
y = 1.75x
500
Convert the equation to slope-intercept form.
3x -12y = 36
y = 1/4x-3
500
Convert the equation to slope-intercept form.
100x - 16y = 64
y=25/4x-4 or y = 6 1/4x - 4