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3 years ago

Write and simplify an algebraic expression to represent the area of the shaded region. The image is below.

Mathematics

1 answer:

Lena [83]3 years ago

4 0

$(x+2)^2 - 1\cdot(x-5) = x^2 + 2\cdot2x + 2^2 - (x - 5) = x^2 + 4x + 4 - x + 5 = x^2 + 3x + 9$

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Sliva [168]

Answer:

Option C (1, 0)

Step-by-step explanation:

We have a system with the following equations:

$y = x ^ 2-1\\\\y = 2x-2$

The first equation is a parabola.

The second equation is a straight line

To solve the system, substitute the second equation in the first and solve for x.

$2x-2 = x ^ 2 -1$

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You must search for two numbers that when you add them, obtain as a result -2 and multiplying both results in 1.

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Finally the solutions are

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4 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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F is between EG. If EF = 2x-12, FG = 3X-15 and EG = 23. find the values of x, EF, and FG.

sertanlavr [38]

Answer:

The answer is A

Step-by-step explanation:

The first thing to do is see which two lengths of EF and FG equals EG which is 23. If you add together B's options you get -12 and if you add C's options, you get 77. So that leaves us with the options of A and D. From there, just plug in each value of x and see which one gets you the right values. Hope this helps

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