21prepai 21prepai

19-02-2019
Mathematics

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A line with a slope of - 8 passes through the points ( - 1, z) and ( - 2, 7). What is the value of z?

Respuesta :

teetee200975 teetee200975

20-02-2019

Answer:

z = -1

Step-by-step explanation:

7 - z / -2 - (-1)

7 - z / -2+1

7 - z / -1

-7 +z = -8

z = -1

to check the work

(-1,-1) (-2,7)

7 + 1 / -2 + 1

8 / -1

= -8

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