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3 years ago

Which expression is equivalent to (–3y – x) – (5y – 8x)?

Mathematics

2 answers:

Lorico [155]3 years ago

8 0

I hope this helps.

-8y+7x

olga55 [171]3 years ago

6 0

Answer:

$7x-8y$

Step-by-step explanation:

We have been given an expression $(-3y-x)-(5y-8x)$ . We are supposed to simplify our given expression.

Using distributive property $a(b+c)=ab+ac$ , we will get:

$-3y-x-1*5y-1*-8x$

$-3y-x-5y+8x$

Now, let us combine like terms.

$-x+8x-5y-3y$

$7x-8y$

Therefore, the simplified form of our given expression would be $7x-8y$ .

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3 years ago

Read 2 more answers

Graph the function y=<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%20-2-5" id="TexFormula1" title="\sqrt{x} -2-5" alt="\sqrt{

Rashid [163]

Answer:

(3, -4)

Step-by-step explanation:

The correct equation is:

$y=\sqrt{x-2}-5$

From the list of given points, we have to identify which point lies on the graph. This can be done by using the value of x-coordinates from the given points and see if they result in the corresponding y-coordinate:

For point (1, 4)

$y=\sqrt{1-2}-5=\sqrt{-1}-5$ , This is not equal to 4, so it does not lie on the graph of given function.

For point (3, -4)

$y=\sqrt{3-2}-5=\sqrt{1}-5=-4$ , The answer ans corresponding y-coordinate are the same. This means, (3, -4) point lies on the graph of given function.