Question

Can anyone help please?

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Explain how you can find the equation of a line if you know that the slope flus -2 and that it crosses the y-axis at the point (0,5).

Answer 1

2x+y=5.

Explanation:

slope(m)=-2

passed through point (0,5)=(x1,y1)

then

the equation is

(y-y1)=m(x-x1)

or (y-5)=-2(x-0)

or (y-5)=-2x

or 2x+y=5 is the equation.