Discriminant
9th Grade
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Discriminant
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Lorrie Harrell
Used 98+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
The discriminant is
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
3 mins • 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
3 mins • 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
3 mins • 1 pt
What is the discriminant for 5x2 + x − 2 = 0
-39
42
-41
none of these
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A function has a discriminant of 25.
______________
How many solutions does it have?
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation
y = x2 +5x +7, match each leading coefficient with its correct letter
Tags
CCSS.HSA.APR.A.1
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.B.4
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