3 years ago

The points (2,r) and (5,-1) lie on a line with slope 4. what is r

Mathematics

1 answer:

Andrews [41]3 years ago

7 0

Answer:

R=-13

Step-by-step explanation:

S=-1-r/5-2

4=-1-r/3

Cross multiply

4*3=-1-r

12=-1-r

Collect like terms

12+1=-r

-r=13

Divide both sides by -

r=-13

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