3 years ago

Please?

Mathematics

1 answer:

marishachu [46]3 years ago

6 0

Answer:

k = 9/8

Step-by-step explanation:

For a root with multiplicity 2, the discriminant must be zero. For quadratic ax^2 +bx +c, the discriminant is ...

d = b^2 -4ac

For your quadratic, a=2, b=3, c=k, so you want ...

3^2 -4(2)(k) = 0

9 -8k = 0

k = 9/8

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