Quadratic Formula and Discriminant
Authored by Elizabeth Mundy
Mathematics
8th - 9th Grade
CCSS covered
Used 183+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
The discriminant is
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
A function has a discriminant of 0.
How many x-intercepts does it have?
0
1
2
5
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Use the discriminant to determine the number of solutions 4x2 + 4x + 1 = 0 has?
0
1
2
More than 2
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Use the quadratic formula to solve 2x2 + 2x - 12?
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is negative, you will have....
two real solutions
two irrational solutions
no solution
one solution
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use the discriminant to determine the number of solutions the following quadratic equation has.
-2x2 − x − 1 = 0
76 Two Solutions
-7 No Solutions
9 Two Solutions
0 One Solution
Tags
CCSS.HSA-REI.B.4B
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