SOLUTION: what is the y intercept of 5x-4y=20

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Question 93696: what is the y intercept of 5x-4y=20
Answer by praseenakos@yahoo.com(507) (Show Source):
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Question:
what is the y intercept of 5x-4y=20
Answer:

The standard slope-intercept form of an equation is given by the formula,
y = mx + b, where m is the slope and b is the y-intercept.

here you have the equation, 5x - 4y = 20

First of all rewrite the given equation in to standard form

5x - 4y = 20

subtract 5x from both sides...

==> 5x - 4y - 5x = 20 - 5x

==> -4y = 20 - 5x

Divide both sides by -4

==>

==>
Which again can be written as,

, which is of standard form

Comparing this equation with the standards one, when have,

m = and b = -5

So y-intercept = and slope =

Hope you found the explanation useful.

Regards.

Praseena.