What is slope?
The steepness of a line
Identify the slope from the equation:
y=1/2x-2
m=1/2
Identify the slope from the equation:
y=1/2x-2
b=-2
Write the slope-intercept equation with the given information:
m: -3/4
b: -2
y=-3/4x-2
If you play a game you lose $4 but you gain $0.50 for each question you answer correctly.
What is the slope or rate of this equation?
y=2x+10
The equation below represents found to find _______.
m=(y_2-y_1)/(x_2-x_1)
slope or rate of change
Identify the slope from the equation:
y=-2x-9
m=-2
Identify the slope from the equation:
y=-2x+9
b=9
Write the slope-intercept equation with the given information:
Slope: 4
y-intercept: 3
y=4x+3
Piano lessons are $4 But your piano teacher gives you $1.50 for each hour you practice.What is the y-intercept for this equation?
$4
What is the name of this equation?
y=mx+b
Slope-Intercept Form
Identify the slope from the two points:
(4, 6) and (22, 15)
m=9/18 or m=1/2
Identify the slope from the two points:
(2, -6) and (0, -1)
b=-1
Write the slope-intercept equation with the given information:
(3, 6) and (0, 2)
y=4/3x+2
A parking garage has a flat rate of $3 plus $1 for every hour.
What is the dependent variable?
Money
Which variable is the Y?
Dependent variable
Identify the slope from the table:
m=-0.5 or m=-1/2
Identify the y-intercept from the table:
b=3
Write the slope-intercept equation with the given information:
y=6x-2
9. A phone plan gives a perk of $3 to their users ($-3 for them) and $1 for each gigabyte of data used.
What is the independent variable?
Gigabytes Used
If a linear equation goes through (0,0) it is also....?
Direct Variation
Identify the slope from the graph:
m=-2/3
Identify the y-intercept from the graph:
b=5
Write the slope-intercept equation with the given information:
y=5/4x+5
A babysitter charges $1 just for coming and $4 per hour.
Write the equation for total earnings y after x hours.
y = 4x +1