Adding and Subtracting
Add the Polynomials
(4x + 9) +(x - 4)
5x + 5
3x2 (2x)
6x3
How many terms in the polynomial?
3x4+ 24x2 -x +12
Four
(x+5)(x-5)
x2 -25
What is the area of a square with the side length of x2 + 3?
x4 +6x2 +9
Add the polynomials:
(-3a - 2) + (7a + 5)
4a + 3
5x (2x2 + 3x -2)
10x3 +15x2 -10x
Describe the process for arranging polynomials in standard form.
From highest exponent number to lowest
Any reasonable answer
(2x +10)(3x +5)
6x2 +40x +50
A triangle has side lengths of x +2, 2x-3, and 7x-12. What is the perimeter of the triangle?
(10x-13)
Subtract the polynomials:
(x2 +3x + 5) - ( -x2 +6x)
2x2-3x + 5
3k (4k +9)
12k2 +27k
To what degree is the following polynomial?
4y6 +3y3
6th degree
(k -3)(k-3)
k2 -6k +9
A triangle has the base of x + 4 and a height of 2x +20. What is the area of the triangle?
x2 +14x +40
Combine the polynomials:
(t2 + 3t3 -3) - (2t2 +7t -2t3)
5t3 -t2 -7t -3
6z2 (2z2 +4z -7)
12z4 +24z3 -42z2
What does the term binomial literally mean?
two numbers
(7x +5) (7x -5)
49x2 -25
A pentagon has side lengths of x, x+3, 2x+2, 4x+4, and 5x-2. What is the perimeter of the pentagon?
13x + 7
Combine the polynomials:
(-1 + x2 + 2x) + (1 -2x + 2x2)
3x2
(x+2)(x+7)
x2 + 9x +14
What does the term polynomial literally mean?
many numbers
(3x-6)2
9x2 -36x + 36
What is the area of a triangle with sides of x+3, 2x+3, and 6?
Unknown