Answer:
(a) Yes Yes No No
(b) Yes No No Yes
Step-by-step explanation:
(a) [tex]\frac{-9}{10}=-\frac{9}{10}[/tex]
[tex]\frac{9}{-10}=-\frac{9}{10}[/tex]
[tex]\frac{-9}{-10}=\frac{9}{10}[/tex]
[tex]\frac{9}{10}=\frac{9}{10}[/tex]
(b) [tex]\frac{-3}{8}=\frac{3}{-8}[/tex]
[tex]\frac{3}{8}=\frac{3}{8}[/tex]
[tex]\frac{-3}{-8}=\frac{3}{8}[/tex]
[tex]-\frac{3}{8}=\frac{3}{-8}[/tex]
