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

Answers to Quiz II

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

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CK.MAT.ENG.SE.1.Algebra-I---Honors.4.7
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