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STatiana [176]
3 years ago
9

What are the possible numbers of positive, negative, and complex zeros of f(x) = 3x4 − 5x3 − x2 − 8x + 4?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
3 0

Answer:

Two positive zeros, no negative zeros, two complex roots.

Step-by-step explanation:

The given function is f(x)=3x^4-5x^3-x^2-8x+4

According to the fundamental theorem of algebra, the function will have 4 roots.

The graph of the function intersects the positive axis at two points.

Hence the function has two positive zeros and no negative zeros.

The two remaining roots are imaginary. The function has two complex zeros.

See graph in attachment

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The product of (-4)(7) is -28 because you are removing 4 times, the number 7

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Reason is below.

Step-by-step explanation:

The number which is written first in the multiplication or the product is always multiplied by the second number.

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2 × 3 implies two times three which is also equal to 6

Therefore the number written in the first is count as times, the number second.

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Because if a negative number is multiplied by positive number you will always get the product as negative number.

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