Question

For what value of k does the equation 2x^2 − 6x + k = 0 have exactly one solution?

Answer 1

Answer:

k = 2.25 or  9/4

Step-by-step explanation:

2x^2 - 6x + k = 0

2(x^2 - 3x + 2.25) = 0

x                 -1.5

x                 -1.5

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(x - 1.5) (x - 1.5) = 0

x = 1.5 or 15/10 = 3/2

one solution