Analyzing the Discriminant
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
We found the discriminant of y = x² + 4x + 4 to be 0. How many real solutions does the function have?
One
Two
None
Tags
CCSS.HSA-REI.B.4B
2.
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.4B
3.
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.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
We found the discriminant of 6x2 − 2x − 3 = 0 to be 76. How many real solutions does the function have?
Two
One
None
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the discriminant and how many solutions would this quadratic have?
-28, No Solutions
28, 2 Solutions
100, 2 Solutions
-100, No Solutions
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
We found the discriminant of -2x2 − x − 1 = 0 to be -7. How many real solutions does the function have?
Two
One
None
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For the function shown in the graph, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Not Sure
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