What is the primary purpose of the discriminant in a quadratic equation?

Exploring the Discriminant in Quadratic Equations

Interactive Video
•

Emma Peterson
•
Mathematics
•
8th - 12th Grade
•
11 plays
•
Medium
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To calculate the axis of symmetry
To identify the type of solutions
To find the y-intercept
To determine the vertex of the parabola
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many types of solutions can a quadratic equation have based on its graph?
One, two, or three
Only one
None, one, or two
Only two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the quadratic formula, what part represents the discriminant?
b^2 - 4ac
a + c
2a
b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive discriminant indicate about the roots of a quadratic equation?
No real roots
One real root
Two real roots
Complex roots
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is a perfect square, what type of roots will the quadratic equation have?
One real root
Two real rational roots
Two real irrational roots
Two complex roots
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of roots will a quadratic equation have if the discriminant is a positive non-square number?
One real root
Two real rational roots
Two complex roots
Two real irrational roots
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a square number?
7
16
8
11
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the nature of the roots if the discriminant is a non-square number like 8?
One real root
Two real irrational roots
Two complex roots
Two real rational roots
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a discriminant of zero indicate about the roots of a quadratic equation?
Two real irrational roots
No real roots
One real rational root
Two complex roots
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is negative, what type of roots will the quadratic equation have?
One real root
Two real irrational roots
Two real rational roots
Two complex roots
Explore all questions with a free account
Similar Resources on Quizizz
11 questions
Understanding Quadratic Equations and Roots

Interactive video
•
9th - 12th Grade
8 questions
Solving Equations and Polynomials

Interactive video
•
9th - 12th Grade
11 questions
Exploring Operations with Complex Numbers

Interactive video
•
9th - 12th Grade
11 questions
Polynomial Degree and Roots Concepts

Interactive video
•
9th - 12th Grade
11 questions
Exploring the Nature of Roots in Quadratic Equations

Interactive video
•
9th - 12th Grade
11 questions
Finding Real Irrational Roots with the Quadratic Formula

Interactive video
•
9th - 12th Grade
10 questions
Quadratic Equations and Their Properties

Interactive video
•
9th - 12th Grade
11 questions
Quadratic Equations and Discriminants

Interactive video
•
9th - 12th Grade
Popular Resources on Quizizz
17 questions
CAASPP Math Practice 3rd

Quiz
•
3rd Grade
20 questions
math review

Quiz
•
4th Grade
21 questions
6th Grade Math CAASPP Practice

Quiz
•
6th Grade
13 questions
Cinco de mayo

Interactive video
•
6th - 8th Grade
20 questions
Reading Comprehension

Quiz
•
5th Grade
20 questions
Types of Credit

Quiz
•
9th - 12th Grade
10 questions
4th Grade Math CAASPP (part 1)

Quiz
•
4th Grade
45 questions
5th Grade CAASPP Math Review

Quiz
•
5th Grade
Discover more resources for Mathematics
12 questions
2024 Keystone Algebra I Module I Sampler

Quiz
•
9th Grade
37 questions
Math 8 SOL Review

Quiz
•
8th Grade
5 questions
8.MG.1-5 Quizizz Day 3

Quiz
•
6th - 8th Grade
21 questions
8th Grade math review

Quiz
•
8th Grade
21 questions
Scatter Plots

Quiz
•
8th Grade
31 questions
Grade 8 FAST MATH Review

Quiz
•
8th Grade
5 questions
8.NNS/CE Quizizz Day 2

Quiz
•
6th - 8th Grade
20 questions
Parallel Lines Cut by a Transversal

Quiz
•
8th Grade