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Mathematics
10th -
11thgrade
Discriminant and Quadratic Formula Practice
10 questions
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- 1. Multiple Choice____________
For the function above, is the discriminant positive, negative, or zero?PositiveNegativeZeroNot Sure - 2. Multiple ChoiceDetermine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3a = 4, b = -8, c = 3a = 4, b =-8, c =-3a = 4, b = 8, c = 3a = 4, b = 8, c = -3 - 3. Multiple ChoiceIf the graph of a quadratic does not intercept the x-axis at any point, then it has:1 Real Solution2 Real SolutionsHalf a SolutionNo Real Solution
- 4. Multiple Choice
Use the quadratic formula to determine the solutions.
2x2 - 9x - 35 = 0
x = 7/2, x = -6
x = -5/2, x =5
x = -3/7, x =6
x = -5/2, x = 7
- 5. Multiple ChoiceWhat are the solutions of this graph?-2 and 3-1/2 and -6-2 and -63 and -6
- 6. Multiple Choice
Solve.
A
B
C
D
- 7. Multiple ChoiceUse the quadratic formula to solve 2x2 + 2x - 12?-2, 32, 32, -3-2, -3
- 8. Multiple ChoiceSolve Using the Quadratic Formula
x2 + 4x - 40 = -8-10 & -4-4 & 10-8 & 48 & -4 - 9. Multiple ChoiceThe discriminant of
2x2 -3x - 5 is ?-10 and -3-314931 - 10. Multiple ChoiceUse the quadratic formula to solve 2x2 + 2x - 12?-2, 32, 32, -3-2, -3
- Answer choicesTagsAnswer choicesTags