

Understanding Quadratic Equations and Complex Numbers
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive discriminant indicate about the solutions of a quadratic equation?
Complex solutions
Two distinct real solutions
No real solutions
One real solution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which set of numbers includes zero and negative numbers, forming a closed set under addition and subtraction?
Natural numbers
Integers
Rational numbers
Real numbers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What discovery did the Greeks make about certain quantities that could not be represented by rational numbers?
They could be represented by integers
They could be represented by natural numbers
They could be represented by irrational numbers
They could be represented by complex numbers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' defined as?
The square root of 2
The square root of 1
The square root of -1
The square root of 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the square root of a negative number be expressed using imaginary numbers?
As a natural number
As a product involving 'i'
As a fraction
As a real number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the quadratic formula for the equation x² + 6x + 10 = 0 when using imaginary numbers?
x = -6 ± 2i
x = -3 ± i
x = -6 ± i
x = -3 ± 2i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are complex numbers represented graphically?
On a Cartesian plane
On a single number line
On a complex plane
On a polar graph
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
29 questions
Alg. 1 Section 5.1 Coordinate Plane
Quiz
•
9th Grade
22 questions
fractions
Quiz
•
3rd Grade
11 questions
FOREST Effective communication
Lesson
•
KG
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
Discover more resources for Mathematics
29 questions
Alg. 1 Section 5.1 Coordinate Plane
Quiz
•
9th Grade
20 questions
Graphing Inequalities on a Number Line
Quiz
•
6th - 9th Grade
20 questions
Box and Whisker Plots
Quiz
•
9th Grade
18 questions
Exponential Growth and Decay
Quiz
•
9th Grade
20 questions
Function or Not a Function
Quiz
•
8th - 9th Grade
20 questions
SSS/SAS
Quiz
•
9th - 12th Grade
14 questions
Making Inferences From Samples
Quiz
•
7th - 12th Grade
23 questions
CCG - CH8 Polygon angles and area Review
Quiz
•
9th - 12th Grade