➕ 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.