Find the value of K, if -2 is the zero of the p(x)=3x^2+Kx-7
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Answered by
3
Answer:
put in this equation u get urs answer perfectly
p(2)=3(-2)²+k(-2)-7
12-2k-7=0
-2k+5=0
k=5/2 ok
Answered by
0
Answer:
k=5/2
Step-by-step explanation:
putting x=-2 in given equation
3(-2)^2+k(-2)-7=0
3(4)+(-2k)-7=0
12-2k-7=0
5-2k=0
-2k=0-5
-2k=-5
k=-5/-2
k=5/2
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