cherry125 cherry125

07-05-2020
Mathematics

contestada

In the equation, t is a constant. If the equation has no real solutions, what could be the value of t?

2x2 − 4x = t

A) −3
B) −1
C) 1
D) 3

Respuesta :

Hops135 Hops135

07-05-2020

Answer:

t = - 3

Step-by-step explanation:

2x2 - 4x = t

2x2 - 4x - t = 0

a = 2, b = - 4, c = - t

b2 - 4ac = 0

(-4) - 4(2)(-t) = 0

16 + 8t = 0

8t = - 16

t = - 3

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