M.TMS.8
Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plan; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.
Khan Academy ResourcesWriting slope-intercept equationsIntro to slope-intercept formSlope reviewSlope-intercept form reviewGraphing from slopeSlope-intercept introWriting linear equations word problemsSlope-intercept from two pointsLinear equations word problems: tablesSlope from graphLinear models word problemsSlope-intercept equation from graphConstruct exponential modelsSlope-intercept equation from graphSlope-intercept form problemsWorked example: slope from graphSlope of a horizontal lineSlope-intercept equation from slope & pointSlope-intercept equation from two pointsConstructing exponential models: percent changeConstructing exponential models: half lifeLinear functions word problem: icebergLinear functions word problem: paintPositive & negative slopeIntro to slope-intercept formCalculating slope from tablesConstructing exponential modelsFinding slope and intercepts from tablesIntro to slope

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