b) If (x-2) is a zero of x3
-4x2+kx-8 find the value of K.
Answers
Answered by
3
Answer:
17
Step-by-step explanation:
p(x) = -4x2+kx-8
p(2)= -4(2)2+k(2)-8
= -4(4)+k(2)-8
= -19+2k
= -19+2= -k
= -17= -k {minus minus cancelled}
= 17= k
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