Answer:
The answer is -4
Explanation:
Write the problem as a mathematical expression.
What is the discriminant of the following equation :
x2 − 2x + 2 = 0
The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
b2 - 4 (ac)
Substitute in the values of a, b, and c.
(-2)2 - 4 (1 * 2)
Evaluate the result to find the discriminant.
Then, simplify each term.
Raise -2 to the power of 2.
4 - 4 (1 * 2)
Multiply 2 by 1
4 - 4 * 2
Multiply -4 by 2.
4 - 8
Subtract 8 from 4.
-4