Slope Formula from Two Points

The graph of a line passes through the points (1, 3) and (5, 7).

What is the slope of the line?

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slope from two points

The graph of a line passes through the points (-3, -2) and (-5, 7).

What is the slope of the line?

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slope from two points

The graph of a line passes through the points (2, 3) and (5, 7).

What is the slope of the line?

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slope from two points

The graph of a line passes through the points (-3, -2) and (-5, -7).

What is the slope of the line?

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slope from two points

A line passes through the ordered pairs (-3, 4) and (-3, 9). What is the line's slope?

• m = 0

• m = 5

• m = -5

• m is undefined

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CCSS.8.EE.B.5

The graph of a line passes through the points (-2, -3) and (5, 6).

What is the slope of the line?

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slope from two points

What did Ernie do wrong?

• He put x's on top and y's on bottom (he did run over rise)

• He changed the order of the points.

• He added instead of subtracting.

• He put one point in the numerator and one point in the denominator.

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CCSS.8.EE.B.5

The graph of a line passes through the points (7, 0) and (-1, 13).

What is the slope of the line?

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slope from two points

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slope from two points

Find the slope

• -5/3

• -3/5

• 5/3

• 3/5

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CCSS.8.EE.B.5