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-7x2 + 8x + 2 What is the value of the discriminant of f

2 Answers

1 vote

Answer:

120

Explanation:

In a general quadratic Ax² + Bx + C, the discriminant is:

B² - 4AC

8² - 4(-7)(2)

64 + 56

120

User Chasity
by
6.8k points
7 votes

Answer:

120

Explanation:

The discriminant is

b^2 -4ac

where a is the coefficient of x^2 b is the coefficient of x and c is the constant

-7x^2 + 8x + 2

a = -7 b = 8 and c = 2

(8)^2 -4(-7) (2)

64 - -56

64+56

120

User Benyi
by
7.9k points