ASSESSMENT 2 REVISION AND MORE

The negative of a negative rational number is a positive rational number.

• True

• False

• Cannot be explained

 $Add\ \frac{-5}{9}+\frac{7}{9}$  

•  $\frac{-2}{9}$  

•  $\frac{2}{9}$  

•  $\frac{12}{9}$  

•  $\frac{-12}{9}$  

 $Additive\ inverse\ of\ \frac{-2}{-3}$  

•  $\frac{-2}{3}$  

•  $\frac{2}{3}$  

•  $\frac{-2}{-3}$  

• 0

 $\frac{-9}{7}+0$  

• 0

•  $\frac{9}{7}$  

•  $\frac{-9}{7}$  

• None

 $\frac{-4}{7}\times....=\frac{-4}{7}$  

• 0

• 1

• -1

• None

 $\frac{7}{3}\times\left(\frac{5}{3}\times\frac{11}{3}\right)=\left(\frac{7}{3}\times...\right)\times\frac{11}{3}$  

•  $\frac{7}{3}$  

•  $\frac{5}{3}$  

•  $\frac{11}{3}$  

• 1

The number ........ has no reciprocal

• 0

• 1

• -1

• None

 $\frac{-7}{4}\div\frac{1}{8}$  

• 14

• 12

• -14

• None

Express your answer in lowest term.

Add 3/8 and 1/8.

• A. 4/8

• B. 1/2

• C. 1/3

• D. 2/8

What is the least common denominator of 1/3 , 1/2 and 1/4 ?

• A. 6

• B. 8

• C. 12

• D. 24