When looking at y = mx + b, y = b and x =a, explain how:
(a) Changing m affects the line.
(b) Changing b affects the line.
When looking at y = mx + b, y = b and x =a, explain how:
(a) Changing m affects the line.
(b) Changing b affects the line.
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a) changing m affects the slope of the line
b) changing b translates the line up or down b units