Answer:
A
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-1-9)/(-3-2)
m=10/-5
m=-2
y=-2x+b
9=-2*-3+b
9=b+6
b=3
y=-2x+3
A
<span>1. -7/9 = -0.77777777777
2. 11/15 = 0.73333333333
3. 8/3 = 2.666666666666</span>
Hi there!
Angles of perpendicular lines are always 90 degrees.
Hope this helps!
Answer:
step 1
Step-by-step explanation:
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