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2 years ago

The solution to the equation 4x^2+98=0 is

Mathematics

1 answer:

xxTIMURxx [149]2 years ago

3 0

Here's the answer for either!

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3 years ago

At which root does the graph of f(x)=(x+4)^6(x+7)^5 cross the x axis

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Answer:

-7.

Step-by-step explanation:

At the point -4 the graph just touches the x axis ( as its an even power) but at x = -7 it crosses the x axis ( because of the odd power 5).

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3 years ago

I need this answered in ONE minute

Helen [10]

Answer:

$x^4 + 4x^3 + 6x^2 + 7x + 2$

Step-by-step explanation:

We are asked to multiply the given polynomials.

$(x^ 2 + 3x + 1) \times (x^2 + x + 2)$

Multiply each term of the first polynomial to each term of the second polynomial.

$x^ 2 \times (x^2 + x + 2) = x^4 + x^3 + 2x^2$

$3x \times (x^2 + x + 2) = 3x^3 + 3x^2 + 6x$

$1 \times (x^2 + x + 2) = x^2 + x + 2$

Add the results

$(x^4 + x^3 + 2x^2) + (3x^3 + 3x^2 + 6x) + ( x^2 + x + 2)$

Combine the like terms

$x^4 + 4x^3 + 6x^2 + 7x + 2$

The answer is written in descending powers of x.

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2 years ago

What system of inequalities is graphed below?

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$y\geq x^2-4-blue\\\\y < x^2+6-red\\\\Answer:\text{I think is D.}\\y\geq x^2-4\\y < x^2+6$

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3 years ago

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