1.

If 3 is a zero of the polynomial 2X^2+X+K , find the value of k. * 22 -21 -22 -23

Answer»

Answer:

-21

Step-by-step EXPLANATION:

p(X)=2x^2+x+k

p(3)=2(3)^2+3+k

0. =2×9+3+k

0=18+3+k

0=21+k

k=-21



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