ADDING AND SUBTRACTING POLYNOMIALS

Reduce 7y + 2y 2 - 7 by 3 - 4y.

2y2 + 11y - 10

Find 2p 2 + 3p - 4 less - 2p 2 - 3p + 4.

4p2 + 6p - 8

2mn + 4n 2 and 5m 2 - 7mn

5m2 - 5mn + 4n2

Find a - 2b + 3c diminished by a - 2b - 3c + d.

6c - d

Order the polynomial -x 4 y 2 + 7x 3 y 3 - 3xy 5 + 2x 2 y 4 in descending powers of x.

(2 > 3 > x^4 > 7)

Order the terms p 2, p 4, p 3, and p in descending powers of p.

(p^2 > p > p^4 > p^3)

Reduce -8 + b2 by 5 + b2.

-13

Take -4 + 3a 2 from 7a - a 2.

-4a2 + 7a + 4

9 - 12n 2 + 4n 3 - 7n

-4n3 + 12n2 + 7n - 9

Find x - y subtracted from 0.

-x + y

7b + 3, -4b + 5, and -3b + 2

10

3x 2 + 2x - 5 and -4 + 7x 2

10x2 + 2x - 9

3x2,-2x2y, 2xy2, 4y2, xy2, -y2,2x2y

B; C; D

Which operations is the following set closed under: {2, 4, 6, ...}?

The set is closed under multiplication and addition.

Identify the polynomial. a 2 + bcd 3

binomial

a two-term polynomial

binomial

a 2 - b + c - d 3

four-term polynomial

Which of the following sets are closed under addition? Select all that apply.

irrational numbers; whole numbers

a one-term polynomial

monomial

a term or a sum of terms whose variables have whole number exponents

polynomial

a 2 + b - cd 3

trinomial

a three-term polynomial

trinomial