Carol H. answered • 10/17/18

Masters' Degree in Mathematics with 35 years Teaching Experience.

**1) x + 2y = 0**

**2y = -x + 0**

**y = (-1/2)x + 0**

**The y-intercept is zero, and the slope is -1/2.**

**2) -3x + y = 12**

**y = 3x + 12**

**The y-intercept is 12, and the slope is 3.**

**Hopefully, you know how to graph lines given the slope and y-intercept.**

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