Polynomial Basics
What is the degree of 7x^4+3x^2-9?
4
(3x+4) + (2x-1)
5x+3
(x+2)(x+3)
x² + 5x +6
(x² +4x +4)÷ (x+2)
x+2
Divide x² + 4x + 4 by x - 2
x +6, remainder 16
What is the leading coefficient of 5x^3−2x+1?
5
(5x^2 + 3x) - (2x^2 - x)
3x^2 + 4x
Where is Ms. Atallah from?
Lebanon!
(x² +5x +6)÷ (x+2)
x+3
Divide x² + 5x + 6 by x -2
x +7, remainder 20
Is 4x^-2+3 a polynomial? Why or why not?
No, because it has a negative exponent.
(2x^2 + 7x - 5) + (4x^2 - 3x + 1)
6x^2 + 4x - 4
(x-3)(x+5)
x² +2x-15
Rank oldest to youngest: Balqees, Asma, Areeb
Asma, Balqees, and Areeb!!
Divide x²+ 3x + 2 by x - 1
x +4, remainder 6
What is the degree of 2x^3+7x^5-x?
5
Skip!
:)
(3x+2)(x - 1)
3x² -x-2
(2x² +7x +3) ÷(x+3)
2x+1
Divide x^2- x - 6 by x - 3
x+ 2 (no remainder)
How many terms are in 3x^2 - 4x + 7?
3 terms
(4x³ +2x - 6) + (x^3 - 5x +3)
5x^3 - 3x - 3
(2x -3)(x^2 +4x)
2x³ +5x² - 12x
(x^3 +3x² +3x +1) ÷ (x +1)
x² +2x +1
Automatic win!!
:)