Parallel and perpendicular lines Quiz

1. Which line is parallel to $y=3x-4$?

• A. $y=-3x+1$
• B. $3y=x+2$
• C. $y=3x+7$
• D. $y=-\frac13x$

2. A line has gradient $\frac25$. What is the gradient of a perpendicular line?

• A. $\frac52$
• B. $-\frac25$
• C. $-\frac52$
• D. $\frac{2}{5}$

3. Which line is perpendicular to $x-4y=8$?

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

4. Find the equation of the line through $(1,2)$ parallel to $y=5x+1$.

• A. $y=5x-3$
• B. $y=-5x+7$
• C. $y=5x+2$
• D. $y=-\frac15x+\frac{11}{5}$

5. The line perpendicular to $3x+4y=18$ through $(2,3)$ is:

• A. $3x-4y=-6$
• B. $4x+3y=17$
• C. $4x-3y=-1$
• D. $4x-3y=1$