3 years ago

Write the equation of the line in slope-intercept form that contains the points (4, -1) and (9, 9).

Mathematics

1 answer:

Lesechka [4]3 years ago

5 0

Answer:

y = 2x - 9

Step-by-step explanation:

y2 - y1 / x2 - x1

9 - (-1) / 9 - 4

10 / 5

= 2

y = 2x + b

-1 = 2(4) + b

-1 = 8 + b

-9 = b

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