2.4 Key features of graphs Quiz

1. Find the $x$-intercept of $y = \frac{4x - 2}{x + 3}$.

• A. $(-3, 0)$
• B. $(0.5, 0)$
• C. $(4, 0)$
• D. $(0, -\frac{2}{3})$

2. Which is the horizontal asymptote of $y = \frac{6x + 1}{2x - 5}$?

• A. $y = 3$
• B. $y = 6$
• C. $x = 2.5$
• D. $y = -0.2$

3. Which function has a graph symmetric in the $y$-axis?

• A. $x^3 + x$
• B. $x^2 + x$
• C. $2x^4 - x^2$
• D. $(x - 1)^2$

4. $f(x) = x^2 - 6x$ on $0 \le x \le 8$. What is the greatest value of $f$?

• A. $0$
• B. $-9$
• C. $16$
• D. $8$

5. The graphs of $y = x^2$ and $y = x + 2$ meet where:

• A. $x = 2$ only
• B. $x = -1$ and $x = 2$
• C. $x = 1$ and $x = -2$
• D. $x = 0$ and $x = 2$