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Volgvan
3 years ago
15

X-4y=-17 and y=4x +8 solve by graphing please and show the solution

Mathematics
1 answer:
nikitadnepr [17]3 years ago
6 0

Answer:

The answer to your question is (-1, 4) The lines cross in one point so they have only one solution.

Step-by-step explanation:

Data

Equation 1     x - 4y = -17

Equation 2    y = 4x + 8

Solve for y

Equation 1          y = -x/-4 - 17/-4

                          y = x/4 + 17/4

Equation 2         y = 4x + 8

See the graph below

These lines cross in point (-1, 4), so that is the only one solution.

If the lines were the same line they would have infinite solutions

                   

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Answer:

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Step-by-step explanation:

first, we find the y-intercept, which is the number with a zero in the x

That would be -3

next, we find the slope

to do this, we have to take two numbers on the y side next to each other and subtract.

For this example we will use 7 and 2

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And just to be positive, we will also do 12 and 7

12-7=5

Okay, now that we know that the number is growing by 5 every time, we know that it is now 5/2 because y is growing by 5 and x is growing by 2

Now, we make the x side grow by only 1, so to do this, we will divide both sides by two.

Now we have 5/1 or just 5

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You're Welcome

Good Luck

6 0
3 years ago
The steps below show the incomplete solution to find the value of x for the
Anna35 [415]
Just add 4 on both sides then divide both sides by 4 and then you’ll get your answer. I hope that helps!
7 0
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Tpy6a [65]

Answer:

1-9 answers

Step-by-step explanation:

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5 0
2 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago
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