# Parallel and perpendicular slopes

## Quiz by Laura Travis

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20 questions
• Q1
Which of the following lines is parallel to the line given by the equation $y = 2x + 3$?
$y = -2x + 1$
$y = -\frac{1}{2}x + 3$
$y = \frac{1}{2}x - 5$
$y = 2x - 5$
30s
• Q2
What is the slope of a line perpendicular to the line given by the equation $y = -\frac{3}{4}x + 7$?
$-\frac{3}{4}$
$\frac{3}{4}$
$\frac{4}{3}$
$-\frac{4}{3}$
30s
• Q3
If the line given by the equation $y = 5x + 2$ is perpendicular to the line with which of the following equations?
$y = -\frac{1}{5}x + 3$
$y = \frac{1}{5}x + 2$
$y = 5x - 2$
$y = -5x + 7$
30s
• Q4
Which equation represents a line perpendicular to the line with the equation $y = -\frac{2}{3}x + 4$?
$y = -\frac{2}{3}x - 4$
$y = -\frac{3}{2}x + 6$
$y = \frac{3}{2}x - 1$
$y = \frac{2}{3}x + 1$
30s
• Q5
If the slope of a line is $3$, what is the slope of a line that is perpendicular to it?
$-\frac{1}{3}$
$-3$
$3$
$\frac{1}{3}$
30s
• Q6
If the slope of a line is $-2$, what is the slope of a line that is parallel to it?
$-\frac{1}{2}$
$\frac{1}{2}$
$2$
$-2$
30s
• Q7
Given the equation of a line in standard form $2x - 3y = 6$, what is the slope of a line perpendicular to it?
$\frac{2}{3}$
$-\frac{3}{2}$
$-\frac{2}{3}$
$\frac{3}{2}$
30s
• Q8
If a line in standard form is given as $4x + 5y = 20$, what is the slope of a line parallel to it?
$\frac{5}{4}$
$\frac{4}{5}$
$-\frac{5}{4}$
$-\frac{4}{5}$
30s
• Q9
Given the equation of a line $2y - 4x = 8$, which of the following is the slope of a line parallel to this line?
$-\frac{1}{2}$
$\frac{1}{2}$
$2$
$-2$
30s
• Q10
If the slope of a line is $-5$, what is the slope of a line parallel to it?
$-5$
$5$
$\frac{1}{5}$
$-\frac{1}{5}$
30s
• Q11
What is the slope of a line perpendicular to the line represented by the equation $y = -\frac{1}{4}x + 5$?
$\frac{1}{4}$
$-4$
$-\frac{1}{4}$
$4$
30s
• Q12
Given the equation of a line $y = \frac{1}{4}x - 7$, which of the following lines is parallel to it?
$y = \frac{1}{4}x + 5$
$y = -\frac{1}{4}x + 7$
$y = -4x - 7$
$y = 4x + 7$
30s
• Q13
If a line is described by the standard form equation $5x - 3y = 15$, what is the slope of a line that is parallel to this line?
$\frac{3}{5}$
$\frac{5}{3}$
$-\frac{3}{5}$
$-\frac{5}{3}$
30s
• Q14
Given the slope-intercept equation $y = 4x + 7$, what is the slope of a line perpendicular to this line?
$-\frac{1}{4}$
$4$
$\frac{1}{4}$
$-4$
30s
• Q15
If a line has the equation $y = -\frac{3}{4}x + 5$, which of the following is the slope of a line parallel to it?
$\frac{4}{3}$
$\frac{3}{4}$
$-\frac{4}{3}$
$-\frac{3}{4}$
30s

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