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MArishka [77]
3 years ago
8

What information does the ordered pair (3, 87) represent?

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0

<span>The 3 (x-coordinate) indicates that from the origin (0,0) in the cartesian plane, you have traveled four units to the right along the x-axis(the horizontal axis). </span>

<span>The 87 indicates that you traveled 87 units up in the y-axis(vertical axis), in line with the point 3 in the x-axis.This number is the y-coordinate, the second number in the ordered pair. </span>

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Part 2) The solution of the system of equations is (2,4)

Step-by-step explanation:

Part 1) Linear combination

we have

3x+2y=-4 -----> equation A

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Multiply equation B by 2 both sides

2(4x-y)=2*13

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Adds equation A and equation C

3x+2y=-4\\8x-2y=26\\-------\\3x+8x=-4+26\\11x=22\\x=2

Find the value of y

3(2)+2y=-4

2y=-4-6

2y=-10

y=-5

The solution of the system of equations is (2,-5)

Part 2) By graph

y=(1/2)x+3 -----> equation A

-3x+y=-2 -----> equation B

we know that

The solution of the system of equations is the intersection point both graphs

Using a graphing tool

The intersection point is (2,4)

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The solution of the system of equations is the point (2,4)

see the attached figure

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Hello! :)

Answer:

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Begin isolating the variable by adding "c" to both sides:

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