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Svetradugi [14.3K]
2 years ago
11

Given a polynomial f(x), if (x + 2) is a factor, what else must be true?

Mathematics
1 answer:
KonstantinChe [14]2 years ago
8 0

Given:

(x+2) is a factor of polynomial f(x).

To find:

The correct statement.

Solution:

If (x-c) is a factor of polynomial f(x), then c is a zero of the polynomial and f(c)=0.

We have, (x+2) is a factor of polynomial f(x).

On comparing (x-c) and (x+2), we get

c=-2

It means, -2 is a zero of the polynomial f(x) and the value the polynomial at x=-2 is 0, i.e.,

f(-2)=0

Therefore, the correct option is d.

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The slope would be -1/2.

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Answer:

The height of the flagpole is 46 feet

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Answer:

Let's define the cost of the cheaper game as X, and the cost of the pricer game as Y.

The total cost of both games is:

X + Y

We know that both games cost just above AED 80

Then:

X + Y > AED 80

From this, we want to prove that at least one of the games costed more than AED 40.

Now let's play with the possible prices of X, there are two possible cases:

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If X is more than AED 40, then we have a game that costed more than AED 40.

If X is less than or equal to AED 40, then:

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Now let's take the maximum value of X in this scenario, this is:

X = AED 40

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Y > AED 40

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