Mathematics
11th Grade
CCSS covered
Used 67+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 The discriminant is
aX2 + bX + c
b - 4ac
b2 - 4ac
b2 + 4ac
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 What does the discriminant tell us?
The maximum or minimum
The y-intercept
The number and type of solutions
The axis of symmetry
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2 For the function below, is the discriminant positive, negative, or zero?
y = x² + 4x + 4
Positive
Negative
Zero
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2 A function has a discriminant of 4.
How many x-intercepts does it have?
0
1
2
4
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2 A function has a discriminant of 0.
How many x-intercepts does it have?
0
1
2
5
Tags
CCSS.HSA.REI.B.4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3 What is the discriminant of
-2x2 − x − 1 = 0 ?
76
-7
9
none of these
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3 For the function above, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
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