Discriminant (2/26-27/25)
9th - 12th Grade
•16 Qs
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Discriminant (2/26-27/25)
Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
Standards-aligned
Ron Atrero
Used 41+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the discriminant?
x = -b/2a
b2 - 4ac
a2 + b2 = c2
x = [-b±√(b2-4ac)]/2a
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 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
30 sec • 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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 For the function above, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 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
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the discriminant of 6x2 − 2x − 3 = 0
76
29
68
none of these
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is positive, then the solution will be
one real solution
two real solutions
no real solutions
one imaginary solution
Tags
CCSS.HSA-REI.B.4B
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