What is the sum of the roots of a quadratic equation in terms of its coefficients?

Complex Numbers and Quadratic Equations

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

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-b/a
-a/b
a/b
b/a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to find the roots of a quadratic equation?
Factorial Formula
Pythagorean Theorem
Quadratic Formula
Binomial Theorem
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes the two solutions of a quadratic equation with complex roots?
Their real parts
Their coefficients
Their imaginary parts
Their exponents
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do powers of complex numbers affect their representation?
They have no effect
They alter the real part
They rotate the number
They change the magnitude
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the cis notation in complex numbers?
It represents the real part
It simplifies the calculation of angles
It denotes the magnitude
It is used for addition
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the imaginary part of a complex number be determined?
By using the sine of the angle
By using the secant of the angle
By using the tangent of the angle
By using the cosine of the angle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding vectors in the context of complex numbers?
It changes the magnitude
It has no effect
It rotates the vector
It results in a new vector
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