Page 75 - Math Course 2 (Book 1)

Monomial Expressions

Skill Practice!

Determine whether each expression is a monomial. Write yes or no. Explain.

1. 11 1. y

3
2. a – b 5. j k

p 2
3. 6. 2a + 3b
q 2

Simplify.

2
3
2
7
6
7. a (a )(a ) 8. x(x )(x )
3
2 2
2
2
9. (y z)(yz ) 10. (l k )(l k)

3 2
2
2 2
2 4
11. (e f )(e f ) 12. (cd )(c d )

5
7
2
2
13. (2x )(3x ) 14. (5a )(4a )

GEOMETRY Express the area of the f gure as a monomial.
15.

x 2

x 5

67