2 years ago

A line that includes the points ( 0, z ) and ( 1, 7 ) has a slope of 9. What is the value of z ? z =

1 answer:

7 0

Slope = change in y / change in x
9 = (7-z) / (1-0)
9/1 = (7-z) / 1
9 = 7 - z
-7. -7
2 = -z so -2 = z

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