sum of the zeros of the polynomial p (x) = x square – kx + 9 is 7. Find the value of k.

Question

sum of the zeros of the polynomial p (x) = x square - kx + 9 is 7. Find the value of k.​

Madelyn · Answer

Let's solve for K.    px=x^2kx+9is(7)   Step 1: Flip the equation.   kx^3+63-is=px   Step 2: Add -kx^3 to both sides.   kx^3+63is+−kx^3=px+−kx^3    63-is=−kx^3+px   Step 3: Divide both sides by 63s.   63-is-63s=−kx^3+px 63s       i=−kx^3+px 63s   Answer:   →K=−kx^3+px 63s

Audrey

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1 thought on “sum of the zeros of the polynomial p (x) = x square – kx + 9 is 7. Find the value of k.”

Let’s solve for K.

[tex]px=x^2kx+9is(7)[/tex]

Step 1: Flip the equation.

[tex]kx^3+63-is=px[/tex]

Step 2: Add -kx^3 to both sides.

[tex]kx^3+63is+−kx^3=px+−kx^3[/tex]

[tex]63-is=−kx^3+px[/tex]

Step 3: Divide both sides by 63s.

[tex]63-is-63s=−kx^3+px 63s[/tex]

[tex]i=−kx^3+px 63s[/tex]

Answer:

[tex]→K=−kx^3+px 63s[/tex]

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sum of the zeros of the polynomial p (x) = x square – kx + 9 is 7. Find the value of k.​