Slope-Intercept Form y = mx + b

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Learning target

“I can interpret and graph a linear function written in slope-intercept form.”

By the end of this lesson, I will be able to explain what m and b mean in y = mx + b, graph a line from its equation, and write the equation of a line from its graph or from a rate-and-starting-value description.

Prerequisite skills

Slope as change in y over change in x
Plotting ordered pairs in the coordinate plane
Evaluating expressions by substitution

Stage 1 of 12 · Understand

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