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6. Write the point-slope form of an equation of the line that contains A (3,1) B (-1,-7) which is the hypotenuse of the right triangle.
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4 votes
6. Write the point-slope form of an equation of the line that contains A (3,1) B (-1,-7) which is the hypotenuse of the right triangle.

User Rhobincu
by
4.2k points

2 Answers

5 votes
Slope = (1 - -7)/(3 - -1) = 8/4 = 2
so y = 2x +c
Substitute one of the points to find c
1 = 2 x 3 + c
1 = 6 + c
c = -5
So the answer is y = 2x - 5
User Machtyn
by
4.8k points
4 votes

Answer:

y = 2x + 5

Explanation:

User Vincent Traag
by
4.2k points
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