butterfly05 butterfly05

13-01-2016
Mathematics

contestada

Complete the equation for the linear function whose graph contains the point (7, 8) and has a slope of −1.2.
y=?
x+?

Respuesta :

dds1110 dds1110

13-01-2016

Your answer is to the question 16,4
Form of the equation: y = mx + b
---
You are given that y = 8 when x = 7.
And you are given that m = -1.2
-----
Substitute for those letters and solve for "b"::
8 = -1.2*7 + b
8 = -8.4 + b
b = 8 + 8.4 = 16.4

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