Answer:
1, 3, and 4 are true
Explanation:
1. y=mx+b, m is the slope
2. Parallel lines have the same slope. -2 is not equal to 2
3. y=mx+b, b is the y-intercept
4. Perpendicular lines,
If you multiply the slopes and the result is -1.
-2 times 1/2
-1
2
I think dont come at me if I'm wrong
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