Square roots with fractions and negatives

Square roots with fractions and negatives

Multiple Choice

 $\sqrt{81}$  

• 18

• 9

• 3

• 8

Example of square roots with fractions

Multiple Choice

 $\sqrt{\frac{36}{49}}$  

•  $\frac{6}{9}$  

•  $\frac{6}{7}$  

•  $\frac{2}{3}$  

•  $\frac{7}{8}$  

 $\frac{\sqrt{36}}{\sqrt{49}}\ \ =\ \frac{6}{7}$  

What a negative sign outside the radical sign mean

Multiple Choice

 $-\sqrt{16}$  

• 8

• 4

• -4

• -8