Alpha and beta are the zeros of the polynomial x^2 -(k +6)x +2(2k -1). find the value of k if alpha + beta = 1/2 alpha beta(its urgent)

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Step-by-step explanation:

We are given and are zeros of the polynomial .

We want to find the value of if .

Lets use veita's formula.

By that formula we have the following equations:

 (-b/a where the quadratic is ax^2+bx+c)

(c/a)

Let's simplify those equations:

If and , then .

Let's solve this for k:

Subtract 6 on both sides:

Find a common denominator:

Simplify:

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the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !