Name __________________________________________ PD __________
2.3 Review
Circle the letter of the correct answer.
1. The parts of an expression are called ____________.
a. coefficients
b. terms
c. like terms
d. constant terms
2. The _____________ of a term with a variable is the number part of the term.
a. coefficient
b. terms
c. like terms
d. constant terms
3. A ______________ has a number but no variable.
a. coefficients
b. terms
c. like terms
d. constant term
4. ______________ have identical variable parts. Two or more constant terms are also
considered these.
a. coefficients
b. terms
c. like terms
d. constant terms
Identify the parts of the expression and simplify.
5. 10 + 15X – 2 – 10X + 14
TERMS: ___________________________________________________
COEFFICIENT(S): ___________________________________________
LIKE TERMS: _______________________________________________
CONSTANT TERMS: _________________________________________
SIMPLIFY: _________________________________________________
6. 2Y – 22 + 12 – 32Y + 2
TERMS: ___________________________________________________
COEFFICIENT(S): ___________________________________________
LIKE TERMS: _______________________________________________
CONSTANT TERMS: _________________________________________
SIMPLIFY: _________________________________________________
7. 13M + 3 – 3M + 13
TERMS: ___________________________________________________
COEFFICIENT(S): ___________________________________________
LIKE TERMS: _______________________________________________
CONSTANT TERMS: _________________________________________
SIMPLIFY: _________________________________________________
Simplify the expression.
8. 15X – 8X
9. – 6Y + 13Y
12. 4 ( X – 10) + 3X + 40
10. 100X + 10 – 50X
13. 35 + 3 ( 5M – 5 ) -12 + 4M
11. 27N + 9 – 15N – 3
14. 6Y + 3(0 + Y)
Write and simplify an expression for the perimeter (P) of the triangle or rectangle.
15.
8
2X – 10
Perimeter (P) =
16.
X-3
X+5
2X + 2
Perimeter (P) =
Find the area of the rectangle and triangle.
17.
15
10 + 3Y
AREA = BASE * HEIGHT (or length * width)
18.
10X + 10
20
AREA = ½ BASE * HEIGHT