Write the equation of a line from the slope and y-intercept
Use y = mx + b, with m the slope and b the y-intercept.
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A line has slope −4 and y-intercept −5. Write its equation in the form y = mx + b.
Answer: y = -4x - 5
A line has slope 5 and y-intercept 8. Write its equation in the form y = mx + b.
Answer: y = 5x + 8
A line has slope 2 and y-intercept −2. Write its equation in the form y = mx + b.
Answer: y = 2x - 2
Tip: Use y = mx + b, with m the slope and b the y-intercept.
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