What is the quadratic formula used for?

Cubic Equations and Their Properties

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

Thomas White
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solving linear equations
Solving quartic equations
Solving quadratic equations
Solving cubic equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the cubic formula not commonly taught?
It is not discovered yet
It is too simple
It is too complex to memorize
It is not useful
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who were the mathematicians that discovered the cubic formula?
Pythagoras and Euclid
Leonardo da Vinci and Galileo Galilei
Nicolo Tartaglia and Scipione del Ferro
Isaac Newton and Albert Einstein
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one method to solve quadratic equations?
Completing the square
Using the cubic formula
Graphing
Using calculus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inflection point in a cubic equation?
The point where the graph is lowest
The point where the graph is highest
The point where the graph intersects the x-axis
The point where the graph changes curvature
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the discriminant tell us about a cubic equation?
The degree of the polynomial
The symmetry of the graph
The number of solutions
The type of solutions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a challenge when using the cubic formula?
It sometimes involves complex numbers
It is too simple to be useful
It only works for linear equations
It always gives complex solutions
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Marden's theorem related to?
The roots of quadratic equations
The solutions of quartic equations
The focal points of an ellipse in cubic equations
The symmetry of linear equations
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