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- 1. Multiple ChoiceThe discriminant isaX2 + bX + cb - 4acb2 - 4acb2 + 4ac
- 2. 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
- 3. Multiple Choice
Determine the value of the discriminant and describe the number and type roots for the following:
x2 + 7x + 13
101, 2 real roots
3, 2 real roots
-101, 2 imaginary roots
-3, 2 imaginary roots
- 4. Multiple ChoiceUse the quadratic formula to solve 2x2 + 2x - 12?-2, 32, 32, -3-2, -3
- 5. Multiple ChoiceSolve Using the Quadratic Formula
x2 + 4x - 40 = -8-10 & -4-4 & 10-8 & 48 & -4 - 6. Multiple ChoiceSolve using the quadratic formula...
9x2 = 4 + 7xx = 2 and x = 3x = -1 and x = .25x = 1 and x = -.45x = 1.16, and x = -.38 - 7. Multiple ChoiceUse the quadratic formula to find the solutions for
y = -x2 - 5x + 12-4.9 and -0.1-8.54 and 8.54-0.45 and 3.55-6.77 and 1.77 - 8. Multiple Choice
If the discriminant is equal to 0, how many solutions are there?
No solutions
1 Solution
2 Solutions
Infinite solutions
- 9. Multiple Choice
If the discriminant is equal to 4, how many solutions are there?
No Solutions
1 Solution
2 Solutions
Infinite Solutions
- 10. Multiple Choice
If the discriminant is equal to -2, how many solutions are there?
No Solutions
1 Solution
2 Solutions
Infinite Solutions
- 11. Multiple Choice
What is the discriminant and how many solutions would this quadratic have?
x2 - 6x + 9 = 0
0, No Solutions
0, 1 Solution
72, 2 Solutions
-72, No Solution
- 12. Multiple Choice
What is the discriminant and how many solutions would this quadratic have?
-8x2 + 6x - 4 = 0
-92, No Solutions
164, 2 Solutions
-164, No Solutions
92, 2 Solutions
- 13. Multiple Choice
What is the discriminant of this equation?
3x2 + 8x = 0
64
52
9
0
- 14. Multiple Choice
For the following quadratic equation, what is the value of a ?
x2 - 7x + 2 = 15
0
x2
-7
1
- 15. Multiple Choice
For the following quadratic equation, what is the value of b ?
5x2 - 11 = 0
5
0
11
-11
1
- 16. Multiple Choice
A function has a discriminant of 25.
______________
How many solutions does it have?
0
1
2
Infinite
- 17. Multiple Choice
ABCD - Answer choicesTagsAnswer choicesTags