Which polynomials are prime? check all that apply.
15x2 + 10x – 9x + 7
20x2 – 12x + 30x – 18
6x3 + 14x2 – 12x – 28
8x3 + 20x2 + 3x + 12
11x4 + 4x2 – 6x2 – 16

The prime polynomials are 1, 4 and 5

Step-by-step explanation:

Given some polynomials we have to classify the polynomials prime or not.

Prime polynomials are the polynomial with integer coefficients that cannot be factored into lower degree polynomials.

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can't be factored into lower degree polynomial ∴ prime polynomial.

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hence, not a prime polynomial.

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hence, not a prime polynomial.

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can't be factored into lower degree polynomial ∴ prime polynomial.

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can't be factored into lower degree polynomial ∴ prime polynomial.

The prime polynomials are 1, 4 and 5

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.