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2 answers:
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Answer:(d): y=ax+b (a≠0); (d1)y=-4x+13
because of (d)⊥(d1) --> a.(-4)=-1 --> a=
(d): y=+b. (d) pass through P(-1;-2) so we have
-2=(1/4).(-1)+b ---> b=
(d) y=
Answer:
Option B
Step-by-step explanation:
Slope of the line is calculated by the formula:
We have the points ( -2 , 4) and (3 , -5) so plug in the values in the formula:
so the slope(m) equals -9/5