Quadratic Functions Operations
Authored by Barbara White
Mathematics
9th Grade
CCSS covered
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21 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the formula to find the discriminant of a quadratic?
b2-4ac
b-4ac
b+4ac
b2+4ac
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 2x + 3
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A function has a discriminant of 4.
______________
How many x-intercepts does it have?
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A function has a discriminant of -3.
______________
How many x-intercepts does it have?
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
7.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Use the quadratic formula to solve:
5x2 - 8x + 2 = 0
1.29
.31
.21
-1.82
None of the Above
Tags
CCSS.HSA-REI.B.4B
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