What is the first step in solving a quadratic equation by equating brackets to zero?

Quadratic Equations and Inequalities

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
Read more
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expand the brackets
Set each bracket equal to zero
Multiply the brackets
Add the brackets
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 3x + 4 = 0, what is the value of x?
-3/4
-4/3
4/3
3/4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to solve a quadratic equation to two decimal places?
Quadratic formula
Graphical method
Substitution
Trial and error
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quadratic formula used for solving equations?
x = b ± √(b² + 4ac) / 2a
x = b ± √(b² - 4ac) / 2a
x = -b ± √(b² - 4ac) / 2a
x = -b ± √(b² + 4ac) / 2a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you test if a solution is valid for an equation involving square roots?
Confirm the solution is a fraction
Verify the solution is an integer
Ensure the solution is positive
Check if both sides are equal after substitution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of squaring both sides of the equation √(2x + 7) = 4 - x?
2x + 7 = 16 - 8x + x²
2x + 7 = 4 - x
2x + 7 = 16 - x
2x + 7 = (4 - x)²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the graphical method used for solving quadratic inequalities?
Graphical method
Number line
Substitution method
Algebraic method
Create a free account and access millions of resources
Similar Resources on Quizizz
11 questions
Understanding Linear Relationships and Algebraic Skills

Interactive video
•
9th - 10th Grade
11 questions
Finding Points of Intersection in Equations

Interactive video
•
9th - 10th Grade
10 questions
Discriminants and Curve Intersections

Interactive video
•
9th - 10th Grade
11 questions
Understanding Desmos and Graphing Concepts

Interactive video
•
9th - 10th Grade
11 questions
Graphical and Algebraic Methods in Simultaneous Equations

Interactive video
•
9th - 10th Grade
11 questions
Solving Systems of Linear Equations

Interactive video
•
9th - 10th Grade
11 questions
Equations and Inequalities Concepts

Interactive video
•
9th - 10th Grade
11 questions
Understanding Quadratic Equations Concepts

Interactive video
•
9th - 10th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade