3 years ago

Tx^2+3x-7=0 has two real solutions. What can be deduced from value of T?

Mathematics

1 answer:

Nutka1998 [239]3 years ago

7 0

Answer:

T > -9/28

Step-by-step explanation:

A quadratic has two real solutions when the discriminant (b² - 4ac) is positive.

b² - 4ac > 0

3² - 4(T)(-7) > 0

9 + 28T > 0

28T > -9

T > -9/28

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