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Mathematics
9th
grade
Solving Quadratic Equations Review: Algebra 2
20 questions
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- 1. Multiple Choice
The general form of a quadratic equation is
- 2. Multiple Choice
What is the other term for quadratic equations?
Equation of degree 3
Equation of degree 0
Equation of degree 2
None of the above
- 3. Multiple Choice
Which of the following is an example of quadratic equations?
x + 9 = 0
x + y =12
x3 + 5x2 - 14 =0
x2 - 2x = 7
- 4. Multiple ChoiceSay 'TRUE' or 'FALSE'
Every Quadratic equation has exactly one rootTRUEFALSE - 5. Multiple ChoiceDetermine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3A.
a = 4, b = -8, c = 3
B.
a = 4, b =-8, c =-3
C.
a = 4, b = 8, c = 3
D.
a = 4, b = 8, c = -3
- 6. Multiple ChoiceWhat value of c would make this a perfect sqaure trinomial?
x2 +8x + cA. 4
B. 16
C. 64
D. - 16
- 7. Multiple Choice
Which is the correct quadratic formula?
A.
B.
C.
D.
- 8. Multiple Choice
- 9. Multiple Choice
What is step one in using the quadratic formula to solve a problem?
Identify A, B, and C
Plug A, B, and C into the formula
- 10. Multiple Choice
Determine the values of a, b, and c for the quadratic equation:
3m2 - 14 = 11m
a=3 b=14 c=-11
a=3 b=-14 c=11
a=4 b=-14 c=11
a=4 b=14 c=-11
- 11. Multiple Choice
A.
Jaxson
B.
Mercedes
C.
Both Jaxson and Mercedes
D.
Neither Jaxson nor Mercedes
- 12. Multiple Choice
If the discriminant is positive, then the solution will be
one real solution
two real solutions
no real solutions
one imaginary solution
- 13. Multiple Choice
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Positive
Negative
Zero
Not Sure
- 14. Multiple Choice
2 real solutions
1 real solution
No real solutions
- 15. Multiple Choice
2 real solutions
1 real solution
No real solutions
- 16. Multiple ChoiceWhat is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0Set the equation equal to zeroDivide 10 by 2 and add the result to both sidesAdd a2 and 10a togetherSubtract the 21 - 17. Multiple ChoiceWhen factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 2042820 - 18. Multiple Choice
What is the correct order for solving quadratic equations by completing the square.
- 19. Multiple Choice
What is the discriminant and how many solutions would this quadratic have?
-4x2 - 8x - 8 = -4
0, No Solutions
0, 1 Solution
128, 2 Solutions
128, 1 Solution
- 20. Multiple Choice
Suzanne made no errors.
Step 2
Step 3
Step 4
Step 5
- Answer choicesTagsAnswer choicesTags