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13-07-2022
Mathematics

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A line passes through the point (-2,7) and has a slope of -5. What is the value of a if the point (a,2) is also on the line?

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jsimpson11000 jsimpson11000

13-07-2022

Answer:

a = -1

Step-by-step explanation:

The slope, m from point -2,7 to a,2 has to be -5

m = (y1-y2)/(x1-x2)

-5 = ( 7-2)/(-2 -a) solve for 'a'......cross multiply

10+ 5a = 5

5a = -5

a = -1

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