Find the value of k if x-3 is a factor of 4x^2-15x+k
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f(x)=4x²-15x+k
f(3)=4*9-15*3+k
f(3)=36-45+k=0
then -9+k=0
k=9
f(3)=4*9-15*3+k
f(3)=36-45+k=0
then -9+k=0
k=9
Answered by
0
Answer:
f(x)=4x²-15x+k
f(3)=4*9-15*3+k
f(3)=36-45+k=0
then -9+k=0
k=9
Step-by-step explanation:
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