Page 91 - Math Course 2 (Book 1)

Polynomials

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Adding Polynomials Real World Example

Find (5b + 2) + (3b – 6).
GEOMETRY
2
A. 8b + 8 The length of a rectangle is 2w + 3w + 4 units
and the width is 6w – 3 units. Find the perimeter.
B. 8b + 4
2
A. 4w + 18w + 14 units
C. 8b – 4
2
B. 4w + 18w + 2 units
D. 8b – 4
2
C. 4w + 15w + 1 units
2
Answer D. 2w + 9w + 1 units

Answer

2
2
Find (3m – 5m + 9) + (–5m + 3m – 7).
2
A. 8m + 2m + 2
2
B. –2m + 2m + 2
2
C. 2m – 2m + 2

2
D. –2m – 2m + 2
Answer GEOMETRY
2
The length of a rectangle is 2w + 3w + 4 units
and the width is 6w – 3 units. Find the length if
w = 5.

A. 39 units

3
3
3
3
Find (3a + 2ab – 4b ) + (–2a + 3b ). B. 62 units
3
A. 5a + 2ab – b 3 C. 69 units
3
B. a + 2ab – b 3 D. 192 units
3
C. a – 2ab – b 3 Answer
3
D. a – b 3

Answer

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