if 5 is zero of quadriatic polynomial xsquare - kx - 15 then find the value of k
Answers
Answered by
3
Answer:
x=5
putting x in equation
p(x)=x^2-kx-15=0
=(5)^2-k(5)-15=0
=25-5k-15=0
=10-5k=0
=-5k=-10
=k=-10/-5
=k=2
Value of k is 2
HOPE IT HELPS U
PLEASE MARK AS BRAINLIASR ANWER
Step-by-step explanation:
Similar questions