Discriminant
Quiz
•
Kristi Giuliano
•
Mathematics
•
11th Grade
•
39 plays
•
Medium
+1
Student preview
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Tags
CCSS.HSA.APR.B.3
CCSS.HSA.REI.B.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Positive
Negative
Zero
Not Sure
Tags
CCSS.HSA.REI.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the discriminant of -2x2 − x − 1 = 0
76
-7
9
none of these
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the discriminant of 6x2 − 2x − 3 = 0
76
29
68
none of these
Tags
CCSS.HSA.REI.B.4
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If the discriminant is positive, then the solution will be
one real solution
two real solutions
no real solutions
one non-real solution
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
______________
How many solutions does it have?
Tags
CCSS.HSA.REI.B.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.A.1
CCSS.HSA.REI.B.4
8.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
x2 + 7x + 13
Remember: b2 - 4ac
400; 2 real roots
0; 1 real root
-400; 2 non-real roots
-3; 2 non-real roots
9.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
x2 + 8x - 84
Remember: b2 - 4ac
256; 2 reals - Rational
400; 2 reals - Rational
√(-400); 2 non-real
20; 2 reals - Rational
10.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
x2 + 7x + 13
Remember: b2 - 4ac
400; 2 reals
0; 1 real
√(-400) ; 2 non-real
-3; 2 non-real
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