barailyayushouui7r barailyayushouui7r

01-05-2018
Mathematics

contestada

For what value of p,-4 is a zero of the polynomial x square-2x-(2p+3)

Respuesta :

calculista calculista

10-05-2018

we have that
x²-2x-(2p+3)

if -4 is a zero of the polynomial
so
for x=-4
x²-2x-(2p+3)=0----> (-4)²-2*(-4)-(2p+3)=0-----> 16+8-2p-3=0
21-2p=0
2p=21
p=21/2-----> p=10.5

Answer Link

Otras preguntas

You would expect a phosphorous-chlorine bond to be 1. nonpolar, with the neither end having a partial charge. 2. polar, with neither end having a partial charge

which of the following expressions does not equal: the sixth root of 81x^4y^8 a. (3xy^2)^2/3 b. (3x)^2/3y^4/3 c. (3x^2y^4)^1/3 d. cube root of 9x^2y^4

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

Compute the odds in favor of rolling a sum of 10 in a single roll of two fair dice

what is force ?is it desirable or undesirable?

What are the operation sines that make this statement correct? 3_5_7_18_3=14

If f(x) is 4x-3 what is (f^-1of) (10)

Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe

A graph depicts force versus position. What represents the work done by the force over the given displacement? A. The work done is equal to the product of the m

can u tell me how to solve this promblem 4/7 plus 3/7