FIND THE SLOPE (m)
Find the slope of the line passing through (0, 0) and (2, 4)
2
In the equation y = 3x + 7, what is the y-intercept?
7
If a line is "falling" from left to right, is the slope positive or negative?
Negative
A plumber charges a flat fee of $50 plus $20 per hour. What is the y-intercept (b)?
50
Find the slope of the line passing through (1, 5) and (3, 9).
2
In the equation y = -4x - 2, what is the slope?
-4
Where does the line y = 2x - 5 cross the y-axis?
-5
A plant is 5cm tall and grows 2cm every week. Write the equation for its height (y) after (x) weeks.
y = 2x + 5
Find the slope of the line passing through (-2, 4) and (1, 1).
-1
Identify the slope and y-intercept of y = x.
m = 1, b = 0
A line has a slope of 1/2. If you start at the y-intercept, how many units do you move "up" and "over" to find the next point?
up 1, right 2
You have $100 and spend $10 every day. What is the slope in this scenario?
-10
What is the slope of a line passing through (5, 10) and (5, 2)?
Undefined/No Slope
Identify the slope and y-intercept of y = 8.
m = 0, b = 8
What does a line with a slope of 0 look like on a graph?
A horizontal line
A taxi ride costs $3.00 plus $0.50 per mile. If a ride costs $10.00, how many miles did you travel?
14 miles
Find the slope of the line passing through the points (-12, -18) and (-15, -33).
Rewrite 2x + y = 10 into slope-intercept form and identify the slope.
y = -2x + 10; Slope is -2
If a line passes through the origin and has a slope of -3, what is its equation?
y = -3x
A candle is 12 inches long and burns at a rate of 1.5 inches per hour. Write the equation.
y = -1.5x + 12