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galben [10]
3 years ago
7

The equation of a line is x + 4y = 15. What is the y-intercept of the line?

Mathematics
2 answers:
Inga [223]3 years ago
7 0
Y intercept is y = 15/4
Goryan [66]3 years ago
4 0

Answer:

The y-intercept of the line is the value of "y" when x=0

Step-by-step explanation:

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3x+5y=-3 x-5y=-5 show your work
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We are given the equations 3x+5y=-3 and x-5y=-5.

Both equations have a 5y  term which allows us to easily solve the system by elimination. To do so we will add the equations together like a simple addition problem by adding the x terms together, the y terms together, and the integer answers together.

3x + 5y = -3
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4x + 0y = -8

The y terms cancel out since one is positive and one is negative. Now we can solve for x.

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Our answer as an ordered pair is (2, 3/5)
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5. -2

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