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Marrrta [24]
3 years ago
5

Does anyone know this?

Mathematics
2 answers:
seropon [69]3 years ago
3 0

Answer:

-124

Step-by-step explanation:

The equation for a discriminant is:

b^{2} -4ac

So for

7x^{2} -4x +5=0

a = 7         b = - 4          c = 5

Plug values into the equation.

(-4)^{2} -4(7)(5)

16 - 140 = -124

IRISSAK [1]3 years ago
3 0

Answer:-124

Step-by-step explanation:

b^2 - 4ac

a = 7  b = -4   c = 5

-4^2 - 4*7*5

16 - 4*35

16 - 140

-124

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