##### )Consider the following pair of equations:

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(08.01)Consider the following pair of equations:

x + y = −2
y = 2x + 10

If the two equations are graphed, at what point do the lines representing the two equations intersect?

Jun 26th, 2015

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Find two points on each of these lines.

x + y = -2

If x = 0

then y = -2

If y = 0

then x = -2

 x 0 -2 y -2 0

Mark these two points on the graph and join them to get the line.

y = 2x + 10

If  x = 0

then y = 2*0 + 10 = 0 + 10 = 10

If y = 0

0 = 2x + 10

2x = -10

x = -10/2

x = -5

 x 0 -5 y 10 0

Mark these two points on the graph and join them to get the line.

Extend the two lines so that they intersect.

So, the two lines intersect at the point (-4, 2).

ANSWER:  (-4, 2)

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Jun 26th, 2015

Thank you :)

Jun 26th, 2015

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Jun 26th, 2015
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Jun 26th, 2015
Jun 24th, 2017
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