Using Multiplicative Inverses to Solve Equations
Equations and Inequalities with Rational Numbers
Vocabulary
Multiplying and Dividing Fractions
Adding and Subtracting Fractions
100
(2/9)x = 12
54
100
(1/2)f + 7/10 = 4/5
1/5
100
Two nonzero numbers whose product is 1 are ______.
Reciprocals
100
2/3 * 5/9
What is 10/27
100
13/16 + 7/16
what is 1 1/4
200
-(10/21) x = 2/3
- 1 2/5
200
(3/8)x - 2/3 = 7/12
3 1/3
200
A ______ is a number that can be written as quotient of two integers. Whole numbers and integers are part of the set of rational numbers, as shown in the Venn Diagram.
Rational Numbers
200
-2 1/5 * (-5 3/8)
What is 11 33/40
200
9 3/8 + 8 3/8
what is 17 3/4
300
(7/12)x - 5 = - 7 1/3
- 4
300
-(2/9) = (3/4)x - 1/6
- 2/27
300
The product of two or more fractions is equal to the product of the ____ over the product of the ____.
numerators, denominators
300
7/8 divided by 13/20
What is 1and 9/26
300
one afternoon Salty's pie palace sold 5/9 of a pecan pie,1 5/9 cherry pies, and 4 1/9 coconut cream pies. How many pies were sold that afternoon?
what is 6 2/9 pies
400
(13/15) x - 7/9 = - 1/5
2/3
400
2.3m - 11 = - 29.4
-8
400
A whole number that's factors are one and itself.
What is a prime number?
400
-30/17 divided by (-20)
What is 3/34
400
-9b/26 -15b/26
what is -12b/13
500
At a college baseball game, 4/5 of the spectators are home team fans. The rest of the spectators are opposing team fans. There are 750 opposing team fans. Find the fraction of spectators who are opposing team fans?
1/5
500
(7/13)x - 1 > 1/2
x > 2 11/24
500
A number that can be written as the quotient of two numbers.
What is a rational number?
500
3 6/11 divided by (-3/22)
What is -26
500
12/15-14/5
what is -2