Page 94 - Math Course 2 (Book 1)

Polynomials: Subtraction

Your Turn!

Subtract Polynomials Subtract Using Additive Inverse

Find (2x + 9) – (5x – 4). Find (8c - 3) - (-2c + 4).

A. 3x + 13 A. 10c – 7
B. 3x + 5 B. 10c + 1
C. –3x + 13 C. 6c – 7
D. –3x + 5 D. 6c + 1

Answer Answer

2
2
2
2
2
Find (5k + 3k – 4) – (2k + 1). Find (–3xy – 4y ) – (2x – 8xy + 2y ).
2
2
A. 3k – 3 A. 2x – 11xy – 2y 2
2
2
B. 3k + 3k – 5 B. 2x + 5xy – 2y 2
2
2
C. 3k – 3k – 5 C. –2x + 5xy – 6y 2
2
2
D. 3k – 3k – 3 D. –2x – 11xy – 2y 2
Answer Answer
PROFIT A. 2x + 200
The ABC Company’s costs are given B. 2x – 200
by3x + 200 where x = the number of C. 8x + 200
items produced. The revenue is given D. 8x – 200
by 5x. Find the prof t, which is the difference
between the revenue and the cost. Answer

Skill Practice!

Find each difference.

1. 7y + 5 2. k + 8
(–)y + 6 (–)2k – 9

2
2
3. w + w + 1 4. c – 7c + 2
2
2
(–)2w + 3w + 2 (–)–c – c – 1

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