SOLUTION: One solution of {{{kx^2}}}-7x+k=0 is 4. Find the other solution

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Question 235352: One solution of -7x+k=0 is 4. Find the other solution
Answer by jim_thompson5910(13794) About Me  (Show Source):
You can put this solution on YOUR website!
Since one given solution is x=4, this means that x=4 satisfies the equation . So just plug that value into the equation and solve for k:


---> ---> --->


This means that the equation then becomes . From here, just use the quadratic formula to find the other solution.