09-12-2021
Mathematics

contestada

What is the y-intercept of a line that passes through the points (1,-7) and (5,-15)?

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arisuhanash arisuhanash

09-12-2021

Answer: (0,-5) or just -5

Step-by-step explanation:

gradient = change in y/change in x = (-7+15)/(1-5) = -2

y = -2x + c

-7 = -2 x 1 + c

c = -7 + 2 = -5

y intercept is (0, -5)

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