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- 1. Multiple ChoiceThe discriminant isaX2 + bX + cb - 4acb2 - 4acb2 + 4ac
- 2. Multiple Choice
____________
For the function above, is the discriminant positive, negative, or zero?PositiveNegativeZeroNot Sure - 3. Multiple Choice____________
For the function above, is the discriminant positive, negative, or zero?PositiveNegativeZeroNot Sure - 4. Multiple Choice
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Positive
Negative
Zero
Not Sure
- 5. Multiple Choice
What is the discriminant of -2x2 − x − 1 = 0
76
-7
9
none of these
- 6. Multiple Choice
What is the discriminant of 6x2 − 2x − 3 = 0
76
29
68
none of these
- 7. Multiple Choice
What is the discriminant for 5x2 + x − 2 = 0
-39
42
-41
none of these
- 8. Multiple Choice
If the discriminant is positive, then the solution will be
one real solution
two real solutions
no real solutions
one imaginary solution
- 9. Multiple ChoiceA function has a discriminant of 25.
______________
How many solutions does it have?0125 - 10. Multiple ChoiceIn the equation
y = x2 +5x +7, match each leading coefficient with its correct lettera=0, b=5, c=7a=1, b=5, c=7a=7, b=5, c=1 - 11. Multiple Choice
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a = 4, b = -8, c = 3
a = 4, b =-8, c =-3
a = 4, b = 8, c = 3
a = 4, b = 8, c = -3
- 12. Multiple ChoiceDetermine the value of the discriminant and name the nature of the roots for the following:
x2 + 7x + 13
Remember: b2 - 4ac400, 2 real root0, 1 real root with a multiplicity of 2-400, 2 imaginary roots-3, 2 imaginary roots - Answer choicesTagsAnswer choicesTags