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Lena [83]
2 years ago
15

Which statements are true for the function y = |x| - 2? Select all that apply.

Mathematics
2 answers:
kakasveta [241]2 years ago
6 0
Two last answers are correct
klemol [59]2 years ago
4 0

Answer: The correct options are,

Its graph has a V-shape.

There are two inputs for which the output is 5.

The vertex of its graph is at (0, -2).

Step-by-step explanation:

Here, the given function is,

y=|x|-2 ------(1)

Which is an absolute function,

Since, the graph of an absolute function is always V shaped,

⇒ The graph of the given function is V-shaped,

Also, the range of the function is  [-2, \infty)

So, the value of the function can be negative,

Now, for y = 0,

\implies 0 = |x|-2

\implies |x|=2\implies x =\pm 2

Thus, there are two inputs for which the output is 0,

Also, for y = 5,

\implies 5=|x|-2

\implies |x|=7\implies x = \pm 7

Thus, there are two inputs for which the output is 5,

Since, if an absolute function is,

y=a|x-h|+k ------(2)

Then, the vertex of the function is (h,k),

By comparing equation (1) and (2),

The vertex of the given function is, (0, -2 )

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natita [175]

Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function.  When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.

If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.

In this example our equation is something like 2(x+3)^2=0, or expanded

2x^2+12x + 18 = 0

The discriminant d=b^2-4ac here is

d = 12^2 - 4(2)(18) = 0 \quad\checkmark


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E and f are supplementary. the measure of e is 54 more than the measure of f. find the measures of each angle.
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