Question

If x=3 is a solution of the equation kx^2 -4x - 15=0, then the value of k is​

Answer 1

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Answer 2

Answer:

k=3

Step-by-step explanation:

put x=3

put x=3k(3)^2-4(3)-15=0

put x=3k(3)^2-4(3)-15=09k-12-15=0

put x=3k(3)^2-4(3)-15=09k-12-15=09k-27=0

put x=3k(3)^2-4(3)-15=09k-12-15=09k-27=09k=27

put x=3k(3)^2-4(3)-15=09k-12-15=09k-27=09k=27k=3