Graphing Linear Equations

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Back

The slope is -2.

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The y-intercept is -1.

Front

What is the definition of slope?

Back

Slope is the measure of the steepness of a line, calculated as the rise over run.

Front

What does the y-intercept represent in a linear equation?

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The y-intercept is the point where the line crosses the y-axis.

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

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Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the standard form of a linear equation?

Back

Front

What does it mean if a line has a positive slope?

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A positive slope means that as x increases, y also increases.

Front

What does it mean if a line has a negative slope?

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A negative slope means that as x increases, y decreases.