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# 4.7: Quiz II

Difficulty Level: At Grade Created by: CK-12

Multiple Choice – Please circle the letter of the correct answer and write that letter in the space provided to the left of each question.

1. __________ What is the slope of the line whose equation is $2x-5y-12=0$?
1. $\frac{2}{5}$
2. $\frac{-2}{5}$
3. $\frac{-5}{12}$
4. $\frac{12}{-5}$
2. __________ What is the slope of the line that passes through the points (–4, 7) and (5, 3)?
1. $\frac{-9}{4}$
2. $\frac{3}{2}$
3. $\frac{-4}{9}$
4. $\frac{10}{1}$
3. __________ Which of the following graphs best represents the following? $y=mx+b$ where $m < 0$ and $b > 0$:
4. __________ What is the $y-$intercept of the line that passes through the point (4, 1) and has a slope of $-\frac{2}{3}$?
1. $(0, 11)$
2. $\left ( 0, \frac{11}{3} \right )$
3. $\left ( 0, \frac{5}{3} \right )$
4. $(0, 1)$
5. __________ A line that is perpendicular to the $y-$axis has a slope that is __________
1. undefined
2. equal to one
3. equal to the $x-$intercept
4. equal to zero
6. __________ What is the equation of the line that passes through the points $A(2, 1)$ and $B(4, 5)$?
1. $y = \frac{1}{2}x$
2. $y = 2x - 3$
3. $y = 2x$
4. $y = \frac{1}{2}x - 3$
7. __________ What is the equation of the line that passes through the point (–9, 6) and is perpendicular to the $x-$axis?
1. $y = -9$
2. $x = 6$
3. $x = -9$
4. $y = 6$
8. __________ When an equation of a line is written in slope-intercept form, what does the letter ‘$b$’ represent?
1. the $y-$intercept
2. the $x-$intercept
3. the slope
4. the origin
9. __________ What is the equation of a line that passes through (0, 7) and is parallel to the $x-$axis?
1. $x = 0$
2. $x = 7$
3. $y = 0$
4. $y = 7$
10. __________ What is the equation of the line graphed below?
1. $4x - 7y + 28 = 0$
2. $4x + 7y - 28 = 0$
3. $7x + 4y + 16 = 0$
4. $7x - 4y - 16 = 0$

1. A
2. C
3. A
4. B
5. D
6. B
7. C
8. A
9. D
10. B

Jan 16, 2013

Jan 14, 2015