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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University
Polynomials and Exponents
Addition and Subtraction of Polynomials

Warm-Ups



1

In the polynomial 2x2 - 4x + 7 the coefficient of x is 4.
A)TRUE
B)FALSE
2

The degree of the polynomial x2 + 5x - 9x3 + 6 is 2.
A)TRUE
B)FALSE
3

In the polynomial x2 - x the coefficient of x is -1.
A)TRUE
B)FALSE
4

The degree of the polynomial x2 - x is 2.
A)TRUE
B)FALSE
5

A binomial always has a degree of 2.
A)TRUE
B)FALSE
6

The polynomial 3x2 - 5x + 9 is a trinomial.
A)TRUE
B)FALSE
7

Every trinomial has degree 2.
A)TRUE
B)FALSE
8

x2 - 7x2 = -6x2 for any value of x.
A)TRUE
B)FALSE
9

(3x2 - 8x + 6) + (x2 + 4x - 9) = 4x2 - 4x - 3 for any value of x.
A)TRUE
B)FALSE
10

(x2 - 4x) - (x2 - 3x) = -7x for any value of x.
A)TRUE
B)FALSE








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