
Understanding Polynomial Roots and Coefficients

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

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the mathematician associated with the results discussed in the video?
René Descartes
Isaac Newton
Carl Friedrich Gauss
A French mathematician
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a quadratic polynomial?
ax^2 + bx + c = 0
ax^4 + bx^3 + cx^2 + dx + e = 0
ax^3 + bx^2 + cx + d = 0
ax + b = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many roots does a quadratic polynomial have?
Two
One
Three
Four
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the roots of a quadratic polynomial in terms of its coefficients?
-b/a
b/a
c/a
-c/a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many roots should a cubic polynomial have?
Three
Four
Two
One
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the relationship between the roots and coefficients of a cubic polynomial?
Graphing the polynomial
Factoring the polynomial
Expanding the polynomial
Solving the polynomial
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the 'A' in the cubic polynomial expansion?
It is the product of the roots
It is a non-zero number
It is always zero
It is the sum of the roots
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