2 years ago

What is the value of the function when x = −2, y =?

Mathematics

1 answer:

shtirl [24]2 years ago

3 0

As you can see on the graph, when x=-2, y=-3.

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34kurt

Answer:

a) $y=\frac{50}{x}$

b) $y=25$ when $x=2$

Step-by-step explanation:

$y=\frac{k}{x}$ since y varies inversely with x.

We need to find the constant, k.

Let's use a point (x,y) on the curve.

We are given an (x,y)=(5,10):

$10=\frac{k}{5}$

Multiply both sides by 5:

$10(5)=k$

$50=k$ .

So the equation is:

$y=\frac{50}{x}$

What is y when x=2?

$y=\frac{50}{2}$

$y=25$

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2 years ago

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Which algebraic expression is equivalent to the expression below? [x +2 - (5x + 5)]2

kvv77 [185]

<span>[x + 2 - (5x + 5)] ² =
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</span>

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