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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 2x
2
- 4x + 7 the coefficient of x is 4.
A)
TRUE
B)
FALSE
2
The degree of the polynomial x
2
+ 5x - 9x
3
+ 6 is 2.
A)
TRUE
B)
FALSE
3
In the polynomial x
2
- x the coefficient of x is -1.
A)
TRUE
B)
FALSE
4
The degree of the polynomial x
2
- x is 2.
A)
TRUE
B)
FALSE
5
A binomial always has a degree of 2.
A)
TRUE
B)
FALSE
6
The polynomial 3x
2
- 5x + 9 is a trinomial.
A)
TRUE
B)
FALSE
7
Every trinomial has degree 2.
A)
TRUE
B)
FALSE
8
x
2
- 7x
2
= -6x
2
for any value of x.
A)
TRUE
B)
FALSE
9
(3x
2
- 8x + 6) + (x
2
+ 4x - 9) = 4x
2
- 4x - 3 for any value of x.
A)
TRUE
B)
FALSE
10
(x
2
- 4x) - (x
2
- 3x) = -7x for any value of x.
A)
TRUE
B)
FALSE
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