Rational and reciprocal functions Quiz

1. What are the asymptotes of $y=\dfrac5x$?

• A. $x=5$ and $y=5$
• B. $x=5$ only
• C. $y=0$ only
• D. $x=0$ and $y=0$

2. In which quadrants does $y=-\dfrac4x$ have branches?

• A. Second and fourth
• B. First and third
• C. First and second
• D. Third and fourth

3. Find the vertical asymptote of $y=\dfrac{3}{x+2}-1$.

• A. $x=2$
• B. $x=-1$
• C. $x=-2$
• D. $x=3$

4. Find the $y$-intercept of $y=\dfrac{1}{x-1}$.

• A. $(0,1)$
• B. $(0,-1)$
• C. $(0,0)$
• D. There is none

5. Find the $x$-intercept of $y=\dfrac{2x-6}{x+1}$.

• A. $x=3$
• B. $x=-1$
• C. $x=-3$
• D. $x=6$