draculawithinu draculawithinu

13-01-2014
Math

Answered

if x=5 is the solution of the equation kx^2-14x-5=0, find the value of k

Answer :

srisaikiranlode srisaikiranlode

13-01-2014

k(5)(2)-14(5)-5=0
10k-60-5=0
10k-65=0
10k=65
k=6.5

Answer Link

shivaniagrawal shivaniagrawal

14-01-2014

25k-14*5-5=0
25k-70-5=0
25k=+70+5
25k=75
k=75/25
k= 15
k=3/5

Answer Link

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