Question

if 3 is a zero of the polynomial x square - 7 x + k then find k

Answer 1

Step-by-step explanation:

P(x) = X Squre - 7X + K

P(3) = 3 squre - 7*3 +K = 0

9 - 21 + K = 0

- 12 + K = 0

K = 12

Answer 2

Answer:

+12

Step-by-step explanation:

x2-7x+k

(3)(3)-7(3)+k=0

9-21+k=0

-12+k=0

k=+12

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