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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 2x5y12=0\begin{align*}2x-5y-12=0\end{align*}?
1. 25\begin{align*}\frac{2}{5}\end{align*}
2. 25\begin{align*}\frac{-2}{5}\end{align*}
3. 512\begin{align*}\frac{-5}{12}\end{align*}
4. 125\begin{align*}\frac{12}{-5}\end{align*}
2. __________ What is the slope of the line that passes through the points (–4, 7) and (5, 3)?
1. 94\begin{align*}\frac{-9}{4}\end{align*}
2. 32\begin{align*}\frac{3}{2}\end{align*}
3. 49\begin{align*}\frac{-4}{9}\end{align*}
4. 101\begin{align*}\frac{10}{1}\end{align*}
3. __________ Which of the following graphs best represents the following? y=mx+b\begin{align*}y=mx+b\end{align*} where m<0\begin{align*}m < 0\end{align*} and b>0\begin{align*}b > 0\end{align*}:
4. __________ What is the y\begin{align*}y-\end{align*}intercept of the line that passes through the point (4, 1) and has a slope of 23\begin{align*}-\frac{2}{3}\end{align*}?
1. (0,11)\begin{align*}(0, 11)\end{align*}
2. (0,113)\begin{align*}\left ( 0, \frac{11}{3} \right )\end{align*}
3. (0,53)\begin{align*}\left ( 0, \frac{5}{3} \right )\end{align*}
4. (0,1)\begin{align*}(0, 1)\end{align*}
5. __________ A line that is perpendicular to the y\begin{align*}y-\end{align*}axis has a slope that is __________
1. undefined
2. equal to one
3. equal to the x\begin{align*}x-\end{align*}intercept
4. equal to zero
6. __________ What is the equation of the line that passes through the points A(2,1)\begin{align*}A(2, 1)\end{align*} and B(4,5)\begin{align*}B(4, 5)\end{align*}?
1. y=12x\begin{align*}y = \frac{1}{2}x\end{align*}
2. y=2x3\begin{align*}y = 2x - 3\end{align*}
3. y=2x\begin{align*}y = 2x\end{align*}
4. y=12x3\begin{align*}y = \frac{1}{2}x - 3\end{align*}
7. __________ What is the equation of the line that passes through the point (–9, 6) and is perpendicular to the x\begin{align*}x-\end{align*}axis?
1. y=9\begin{align*}y = -9\end{align*}
2. x=6\begin{align*}x = 6\end{align*}
3. x=9\begin{align*}x = -9\end{align*}
4. y=6\begin{align*}y = 6\end{align*}
8. __________ When an equation of a line is written in slope-intercept form, what does the letter ‘b\begin{align*}b\end{align*}’ represent?
1. the y\begin{align*}y-\end{align*}intercept
2. the x\begin{align*}x-\end{align*}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\begin{align*}x-\end{align*}axis?
1. x=0\begin{align*}x = 0\end{align*}
2. x=7\begin{align*}x = 7\end{align*}
3. y=0\begin{align*}y = 0\end{align*}
4. y=7\begin{align*}y = 7\end{align*}
10. __________ What is the equation of the line graphed below?
1. 4x7y+28=0\begin{align*}4x - 7y + 28 = 0\end{align*}
2. 4x+7y28=0\begin{align*}4x + 7y - 28 = 0\end{align*}
3. 7x+4y+16=0\begin{align*}7x + 4y + 16 = 0\end{align*}
4. 7x4y16=0\begin{align*}7x - 4y - 16 = 0\end{align*}

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

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