degree of polynomial p(x) = 11. q (x)=7. Find all possible degrees of p (x) + q(x)

2)Find t if the expansion of the product of x^3-4x^2+2x-5 and x^2+tx-7 has no x^2 term.

Android4EVER Mar 23, 2019

#2**+1 **

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Guest Mar 23, 2019

#3**+1 **

The answer to number one is 11, as the q(x) cannot cancel an exponent of 11 from p(x).

For number 2, let's find the ways to make an x^2 term. We can pair the -4x^2 and -7 together, the 2x and tx together, and then -5 and x^2 together. This gives 28 + 2t - 5 = 0, so 2t + 23 = 0 and t = -11.5.

Hoping this helped,

asdf334

asdf335 Mar 23, 2019