Y= mx +b is the equation for slope-intercept form.
•what does the m represent in an equation written in slope-intercept form

•what does the b represent in an equation written in slope-intercept form

The m represents the slope 
ex>>1/2 would be m and the slope would be up 1 over 2

and b represents where it crosses the y axis
ex>> if y was 3 it would cross the y axis at 3

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