Multiple Choice
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials) , leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
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A)
B)
C)
D)
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Find all numbers for which the rational
Q10: Add. Find the LCD first.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Add.
Q11: Add or subtract. Then simplify. If a
Q12: Find the LCM by factoring.<br>-9, 18, 27<br>A)27<br>B)486<br>C)54<br>D)18
Q13: Divide and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Divide and simplify.
Q15: Add. Find the LCD first.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Add.
Q16: Find the LCM.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Find the LCM.
Q17: Multiply to obtain an equivalent expression. Do
Q18: Find the LCM.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="Find the LCM.
Q19: Find the LCM by factoring.<br>-24, 54, 27<br>A)108<br>B)54<br>C)72<br>D)216