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A line passes through the points (-6, 8) and ( 3, 7). What is the equation of the line in Slope-Intercept Form?​

User Hakiem
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1 Answer

5 votes
5 votes

Step-by-step explanation:

y=−x+2

Step-by-step explanation:

Alright, so this is a two-part question. First we need to find the slope, then we need to find the y-intercept. Finally we plug all this into the slope intercept equation y=mx+b

The slope is commonly referred to as m=riserun this can also be expressed as m=y2−y1x2−x1 by using the change in y and the change in x.

m=5−8−3−(−6)

m=−33

m=−1

Alright, now lets find the y-intercept by using that slope. If we plug that slope into the base formula we get y=−x+b. Since we already know one point, lets put (−3,5) into that equation and solve for b.

5=−(−3)+b

5−3=3+b−3

2=b

Now is if plug out b into out equation, we get a finally answer of y=−x+2

Even though we're done, lets check it by putting in the other point.

8=−(−6)+2

8−6=6+2−6

2=2

User Tydaeus
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