Common Core: A-CED.2
Problem 8 of 18a1-008
In the standard coordinate plane, a line has slope and passes through . What is its equation in slope-intercept form?
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Solution walkthrough1:59
- Point-slope form: . Here and the point is .
- Substitute: . Subtracting is adding : .
- Distribute: and . So .
- Subtract from both sides: . Check : .
- Traps: or flips a sign of the point, and multiplies only the .