2.4 Key features of graphs Quiz

1. What is the equation of the axis of symmetry of $y=x^2-6x+4$?

• A. $x=-3$
• B. $x=3$
• C. $x=6$
• D. $x=4$

2. What is the equation of the horizontal asymptote of $y=2\times0.5^x+3$?

• A. $y=0$
• B. $y=2$
• C. $y=3$
• D. $y=5$

3. What is the vertical asymptote of $C(n)=\frac{600}{n}+15$?

• A. $C=15$
• B. $n=15$
• C. $n=600$
• D. $n=0$

4. A symmetric curve has zeros at $x=-2$ and $x=6$. What is its axis of symmetry?

• A. $x=2$
• B. $x=4$
• C. $x=-2$
• D. $x=6$

5. The graphs of $y=f(x)$ and $y=g(x)$ meet. The $x$-coordinates of the intersections solve which equation?

• A. $f(x)=0$
• B. $g(x)=0$
• C. $f(x)+g(x)=0$
• D. $f(x)=g(x)$