cu3rrrangelina cu3rrrangelina

16-08-2016
Mathematics

contestada

Write the equation 5x + 4y = 10 so that y is a function of x.
Show your work.
A. y= 5/4x + 2.5
B. y= 1.2x - 5/2
C. y= -5/4 - 5/2
D. y= -5/4x + 5/2

Respuesta :

Panoyin Panoyin

16-08-2016

5x + 4y = 10
- 5x - 5x
4y = -5x + 10
4 4
y = -1¹/₄x + 2¹/₂

The answer is D.

Answer Link

meerkat18 meerkat18

19-08-2016

The general equation of the slope intercept form is y = mx + b. The first step is to subtract the whole equation by 5x. This leaves 4y on the left side. Then, divide the whole equation by 4, which results to option D. y= -5/4x + 5/2

Answer Link

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