What letter represents slope in slope-intercept form?
m
What letter represents the y-intercept in slope-intercept form
b
What is y = mx + b called?
Slope-intercept Form
Input refers to what values?
The x values.
Correctly Draw Mr. Slope Guy
What is the formula to find slope?
m = (y2 - y1)/(x2 - x1)
Find the y-intercept from the graph:
b = 1
Write an equation in slope-intercept form using the following slope and y-intercept:
Slope: 1/2 y-intercept: 4
y = (1/2)x + 4
Output refers to what values?
The y values.
Does the table represent linear relationship?
It is not linear.
Find the slope using these two ordered pairs: (1, 5) and (8,-3)
(-8)/(7)
Using this table find the y-intercept:
b = - 9
Write an equation from the graph:
y = (1/2)x
Identify the which values are x's and which are y's. (4,5),(7,2),(11,3)
(x,y),(x,y),(x,y)
Are the points on the graph linear?
Nonlinear
Using this table find the slope:
m = -6
Find the y-intercept using the following slope and ordered pair: Slope: 7 and Ordered Pair: (12,5)
y = 7x - 79
Write a linear equation from the numbers in the table:
y = 5x + 180
Identify the ordered pairs of the table:
(0,1),(2,5),(4,9),(6,13),(8,17)
A sales associate is given a $400 hiring bonus with a new job. She earns an average commission of $225 per week for the next 7 weeks. How much does she earn?
y = 225x + 400
y = $1,975
Find the slope of the graphed points:
m = 1
Find the y-intercept using the following slope and ordered pair: Slope: -⅞ and Ordered Pair: (8,3)
y = -(7/8)x + 10
Find a slope, y-intercept, and then write an equation in slope-intercept form using these two ordered pairs: (3,1) and (7,7)
m = 3/2 b = -(7/2)
y = (3/2)x - (7/2)
Find the ordered pairs plotted on the graph:
(1,20),(2,40),(3,60),(4,80)
A water tank holds 18,000 gallons. How long will it take for the water level to reach 6,000 gallons if the water is used at an average rate of 450 gallons per day?
y = -450x + 18,000
x = 27 days