For the equation x squared plus 4x minus 5 equals 0, the discriminant …

Question

For the equation x squared plus 4x minus 5 equals 0, the discriminant is:

Accepted Answer

D. 36

1. Square 4 to get 16.
2. Subtract 4 times 1 times minus 5, which adds 20.
3. The discriminant is 36.
_Source: syllabus Mathematics, Chapter 4, Quadratic Equations._

Answer

16

Answer

20

Answer

26

For the equation x squared plus 4x minus 5 equals 0, the discriminant is:

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