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3 years ago

Write an equation for the line that passes through (-8.5, 11) and (5, -2.5).

Mathematics

1 answer:

max2010maxim [7]3 years ago

8 0

9514 1404 393

Answer:

y = -x + 5/2

Step-by-step explanation:

The 2-point form of the equation of a line can be useful.

y = (y2 -y1)/(x2 -x1)/(x -x1) +y1

y = (-2.5 -11)/(5 -(-8.5))/(x -(-8.5)) + 11

y = -13.5/13.5(x +8.5) +11 . . . . . . simplify a bit

y = -x +2.5 . . . . . write in slope-intercept form

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