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upandover

Slope intercept form: y = mx + b

We know the slope, so we need to use the given point in the generic slope intercept form and solve for b.

y = -3x + b

-2 = -3(5) + b

-2 = -15 + b

b = 13

y = -3x + 13

Hope this helps!! :)

TheBlueFox

My work is attached in the image provided.

Start with the point slope formula shown at the top.

Then plug your x and y values into the formula as well as your slope which is the m.

Remember that minus a negative means the same thing as plus a positive. Watch out here!

Then distribute through the parentheses.

Make sure to isolate y to get it into y = mx + b form.

If you want it in standard form, add 3x to both sides.

That leaves you with 3x + y = 13.

Ver imagen TheBlueFox

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