Answer to Question #285703 in Algebra for khaled

Question #285703

x 0 1 2 3 y 8 1 −6 −13

What is an equation that describes the relationship?

Expert's answer

Let $y=kx+b$

y(0)=b=8=>b=8

y=kx+8

y(1)=k+8=1=>k=-7

Then $y=-7x+8.$

Check

y(2)=-7(2)+8=-6=-6, True

y(3)=-7(3)+8=-13=-13, True

Answer:

y=-7x+8

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