Study Guide and Intervention (continued) - MathnMind

2-4
NAME ______________________________________________ DATE ____________ PERIOD _____
Study Guide and Intervention
Dividing Rational Numbers
Divide Integers The rules for finding the sign of a quotient are similar to the rules for
finding the sign of a product.
Dividing Two Numbers with the Same Sign The quotient of two numbers having the same sign is positive.
Dividing Two Numbers with Different Signs The quotient of two numbers having different signs is negative.
Example 1 Find each quotient.
Example 2
4(10 2)
Simplify .
3 (1)
a. 88 (4)
88 (4) 22 same signs → positive quotient
4(10 2) 4(8)
.
3 (1) 3 (1)
b.
64
8
64
8
8
different signs → negative quotient
32
3 (1)
32
4
8
Exercises
Find each quotient.
1. 80 (10) 2. 32 16 3. 80 5
4. 18 (3) 5. 12 (3) 6. 8 (2)
7. 15 (3) 8. 121 (11) 9. 24 1.5
10. 0 (8) 11. 125 (25) 12. 104 4
Simplify.
2 (4)
13.
(2) (1)
5(10 (2))
14.
2 1
6(6 2)
15.
10 (2)
12(2 (3))
4(8 (4))
4(12 4)
16.
17.
18.
4 1
3 (3)
2(8)
© Glencoe/McGraw-Hill 93 Glencoe Algebra 1
Lesson 2-4