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Standards/Math/Alabama/8.8

8.8

8 Grade 8
8.1
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8.2
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8.8
8.8.a
8.9

Graph proportional relationships.

8.8.aInterpret the unit rate of a proportional relationship, describing the constant of proportionality as the slope of the graph which goes through the origin and has the equation y = mx where m is the slope.
Example Problems
Write the equation of a line that is parallel to y=−7x+5 and that passes through the point (3,−2).
Write the equation of a line that is perpendicular to y=3x−2 and that passes through the point (−9,5).
Write the equation of a line that is parallel to y=2−3​x−1 and that passes through the point (4,6).
Khan Academy Resources
Intro to slopeSlope formulaSlope reviewSlope-intercept form reviewSlope-intercept introSlope from two pointsSlope-intercept from two pointsSlope from graphSlope-intercept equation from graphSlope from equationWorked example: slope from graphConverting to slope-intercept formSlope of a line: negative slopeWorked example: slope from two pointsSlope of a horizontal lineSlope & direction of a linePositive & negative slopeSlope from equationWorked examples: slope-intercept introIntro to slope
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