Question

Evaluate: b² - 4ac where a = -5, b = 11 and c = 2.

Answer 1

Answer: 81

Explanation:

To evaluate this expression, we will substitute the given values and simplify.

Given:

b² - 4ac

Substitute known values:

(11)² - 4(-5)(2)

Square:

121 - 4(-5)(2)

Multiply:

121 - 40

Subtract:

81