8.EE.6 Checkpoint 2.2

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CCSS.8.EE.B.6

CCSS.8.F.A.3

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CCSS.8.EE.B.5

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Define y-intercept.

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The y-intercept is the point where the line crosses the y-axis, represented by the value of y when x=0.

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Define slope.

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The slope is a measure of the steepness of a line, calculated as the change in y divided by the change in x (rise over run).

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CCSS.8.EE.B.5

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It represents the slope-intercept form of a linear equation, where m is the slope and b is the y-intercept.

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CCSS.8.EE.B.6

CCSS.8.F.A.3

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If the slope of a line is 2, what does this mean?

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It means that for every 1 unit increase in x, y increases by 2 units.

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CCSS.8.EE.B.5

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How do you find the slope from two points (x1, y1) and (x2, y2)?

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Use the formula: slope = (y2 - y1) / (x2 - x1).

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CCSS.8.EE.B.5

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CCSS.8.EE.B.5

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CCSS.8.EE.B.6

CCSS.8.F.A.3

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What does a slope of 0 indicate about a line?

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A slope of 0 indicates that the line is horizontal.

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CCSS.8.EE.B.5