Question

Find the value of k if the quadratic equation
3x2 - k root 3x + 4 = 0 has equal roots
4
4 and -4
16
-4


help the poor plz fast ​

Answer 1

Answer:

D = 0 for equal roots

3k² - 4(3)(4) = 0

3k² - 48 = 0

3k² = 48

k² = 16

k = ±4

So answer is 4 and -4

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