find K if x=5 is a root of equation kx^2-14x-5=0 *
Answers
Answered by
5
Answer:
Hello bro
Step-by-step explanation:
K5*2-14*5-5=0
K10-70-5=0
k10-65=0
k10=65
k=65/10
k=6.5
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Answered by
4
Answer:
K=3
Step-by-step explanation:
If x=5,
Kx^2-14x-5=0
=>K(5)^2-14(5)-5=0
=>25K-70-5=0
=>25K-75=0
=>25K=75
=>K=75/25=3
Therefore, K=3
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