
Quadratic Formula + Discriminant
Authored by K Sherris
Mathematics
7th - 10th Grade
25 Questions
CCSS covered
Used 5+ times

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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The formula to determine how many solutions a quadratic equation is called the discriminant which is...
aX2 + bX + c
b - 4ac
b2 - 4ac
b2 + 4ac
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What does the discriminant tell us?
Tags
CCSS.HSA-REI.B.4B
3.
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
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Positive
Negative
Zero
Not Sure
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use the discriminant to determine the number of solutions the following quadratic equation has.
6x2 − 2x − 3 = 0
76 Two Solutions
29 Two Solutions
68 Two Solutions
none of these
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the graph of a quadratic does not intercept the x-axis at any point, then it has:
Tags
CCSS.HSF-IF.C.7A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
____________
For the function above, is the discriminant positive, negative, or zero?
Tags
CCSS.HSA-REI.B.4B
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