➕ Algebra 1 · Linear Functions
Slope of a Line flashcards
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All 11 flashcards at a glance
Card 1
What is slope?
How steep a line is: rise divided by run.
Card 2
What is the slope formula?
m = (y2 − y1) ÷ (x2 − x1)
Card 3
What is the slope of a horizontal line?
0. The rise is 0.
Card 4
What is the slope of a vertical line?
Undefined. The run is 0 and you can’t divide by 0.
Card 5
What does a positive slope look like?
A line that goes up from left to right.
Card 6
What does a negative slope look like?
A line that goes down from left to right.
Card 7
Which goes on top in slope, rise or run?
Rise. Remember: I before U.
Card 8
Find the slope through (0, 0) and (2, 4).
m = (4 − 0) ÷ (2 − 0) = 2
Card 9
Find the slope through (1, 5) and (3, 1).
m = (1 − 5) ÷ (3 − 1) = −4 ÷ 2 = −2
Card 10
What does a slope of 45 mean in “45 minutes per episode”?
Your total watch time rises 45 minutes for each 1 episode: a rate of change.
Card 11
Slope is 3/4. Starting from a point on the line, how do you find another point?
Go up 3 and right 4.