Male and female students were asked at which location they would most want to vacation. They had the following preferences:

Mathematics

1 answer:

aivan3 [116]3 years ago

5 0

Answer:

multiple places right now my life long dream is to build a private submarine big enough to accomadate 4 passangers comfortably and indefinately, im making blue prints.

Step-by-step explanation:

thank you for asking

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3 years ago

Which function is a quadratic function?

DerKrebs [107]

The correct answer is: [C]: " c(x) = –8x² + 3x – 5 " .
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The quadratic function takes the form of:
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" f(x) = ax² + bx + c " .
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Answer choice: [C]: " c(x) = –8x² + 3x – 5 " ;

is the only answer choice provided that takes that form of the quadratic function:

" f(x) = ax² + bx + c " :

in which: " a = -8 " ; " b = 3 " ; " c = -5 " .
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3 years ago

Find a degree 4 polynomial having zeros -8,-1,4 and 5 and the coefficient of x^4 equal 1.

Keith_Richards [23]

Answer:

x^4 -53x^2 +108x +160

Step-by-step explanation:

If a is a zero, then (x-a) is a factor. For the given zeros, the factors are ...

p(x) = (x +8)(x +1)(x -4)(x -5)

Multiplying these out gives the polynomial in standard form.

= (x^2 +9x +8)(x^2 -9x +20)

We note that these factors have a sum and difference with the same pair of values, x^2 and 9x. We can use the special form for the product of these to simplify our working out.

= (x^2 +9x)(x^2 -9x) +20(x^2 +9x) +8(x^2 -9x) +8(20)

= x^4 -81x^2 +20x^2 +180x +8x^2 -72x +160

p(x) = x^4 -53x^2 +108x +160

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The graph shows this polynomial has the required zeros.