Finding m & b
From 2 Points
From Tables
From Word Problems
From Graphs
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: -8
100
(6,5) & (5,4) Slope= ?
Slope = 1
100
How do you find the slope in tables?
Change in y/Change in x
100
At the beginning of the week Mrs. Salim has $20 for coffee and she spends $4 per day on coffee. Write the equation that represents Mrs. Salim's coffee bill each week.
y=-4x+20
100
Write the equation in slope-intercept form of the graph #2 below:
y = -4/5x + 3
200
State the slope and y-intercept from the graph #1
Slope = 1
Y-intercept = 0
200
(3,1) & (8,4) Slope=?
slope = 3/5
200
Write an equation in slope-intercept form
y = -10x + 60
200
Mrs. Salim starts the day with 100 pieces of candy. If she gives each student 1 piece of candy, what equation will help her determine how much candy she has left over?
y = -x + 100 or y = -1x + 100
200
Write the equation in slope-intercept form of the graph #3 below:
y = 2x - 1
300
What is the slope of a horizontal line?
slope = 0
300
-2
300
How do you find the y-intercept in tables?
Across when x is 0
300
If Mrs. Salim makes $90 a day teaching, and started the year with no money, what equation represents how much money she has?
y=90x
300
Write the equation in slope-intercept form of the graph #4 below:
y = -2x + 3
400
State the slope and y-intercept from the graph.
m = undefined
b: none
400
Find the m between (1,1) & (6,10)
m = 9/5
400
Find the slope
-1
400
If a student improves their grade by 10 points for every homework assignment done, and started the week with 2 homework assignments already done, what equation represents the number of points that student has gained by doing their homework.
y=10x+20
400
Write the equation in slope-intercept form of the graph #5 below:
y = -3/4x +3
500
Identify the slope and y-intercept of the equation.
y = x-3
slope = 1
y-intercept = -3
500
Find the slope between (-3, 6) & (-3,4)
Slope = Undefined
500
Write an equation in slope-intercept.
AKA what we learned yesterday:
Use y=mx+b and solve for b
(3,2) and (6,7)
y = 5/3x - 3
500
If an Uber Eats driver earns $5 per delivery plus a fixed tip of $15, what equation represents how much money they will earn making deliveries?
How much money will they have after 9 deliveries?
y = 5x + 15
$60
500
Write the equation in slope-intercept form of the graph #6 below:
y = 1/2x + 2