3 years ago

Y=x-2 a. (3,1) b. (1,3)

1 answer:

5 0

A. (3,1) because if you put 3 as x, 3-2=1,which then equals 1 as y

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kompoz [17]

$2x-8 - (2x+7)^2\\\\=2x-8 -(4x^2 + 2\cdot 2x \cdot 7 + 7^2)\\\\=2x-8-(4x^2 + 28x +49)\\\\=2x - 8 -4x^2-28x -49\\\\=-4x^2 -26x -57\\\\$

8 0

2 years ago

jonny [76]

It is not A,B, or D.

so it has to be C. wish I knew this when taking test.

let me know if it was right. I hope this is somewhat helpful.

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3 years ago

Hitman42 [59]

Answer: m²-9mn+2n²

Step-by-step explanation: make use of BODMAS strategy. Let the unknown be x.

-7mn+2m²+3n²-x= m²+2mn+n². Since we are concerned about getting the unknown,let's try to collect the like terms.

-7mn+2m²+3n²-(m²+2mn+n²)= x

-7mn+2m²+3n²-m²-2mn-n²= x

-7mn-2mn+2m²-m²+3n²-n²=x

-9mn+m²+2mn= x

X= m²-9mn+2n²

6 0

3 years ago

prohojiy [21]

Answer:

0.0081

Step-by-step explanation:

yes bye that's the answer

8 0

3 years ago

cricket20 [7]

Short Answer: 9x + 13

Step by Step:

4x + 5x = 9x

3 + 10 = 13

Hope this helps!

5 0

3 years ago