Question

for what value of K following equation has equal roots 2x^2-5x+k=0
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Answer 1

Resposta:

k=25/8

Explicação passo a passo:

Δ=b²-4ac

Δ=(-5)²-4(2)k

Δ=25-8k

But:

Δ=0

25-8k=0

25=8k

k=25/8