1.

If one root of the quadratic equation 3x²-12x+k=0 is 3 then find k​

Answer»

ANSWER:

K = 9

Step-by-step explanation:

p(x) = 3x²-12x+k=0

p(3) = 3(3)² - 12(3) + k = 0

      ⇒ 27 - 36 + k = 0

      ⇒ k - 9 = 0

      ⇒ k = 9

Hope this helps.....



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