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2) Answer the following questions: When discussing the slope of a line, (a) what is the vertical rise? (b) what is the horizontal run? |
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3) What does the Greek symbol shown below represent and how is it read? |
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For the next three problems calculate the slope. Express the answers as a fraction in simplified form. |
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9) Will this formula work for determining the slope of a line? Please give a rationale for your answer. You may refer to one or more sets of points given in the previous problems as test points to explain your answer or you may give a more general answer. |
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10) Which of the following statements is true about the two fractions given below? |
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11) Calculate the slope of a line that contains the following points: (5,–7) and (8,–7), and then draw the line. What is the slope and type of line? |
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12) Calculate the slope of a line that contains the following points: (6, –2) and (6, 4), and then draw the line. What is the slope and type of line? |
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For the next three problems, graph the point on graph paper in an x-y plane; and then, count out the rise/run of the given slope to determine a second point on the line. |
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For the next four problems, determine the type of slope of the line displayed in the grid. |
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16) This line has what kind of slope? |
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17) This line has what kind of slope? |
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18) This line has what kind of slope? |
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19) This line has what kind of slope? |
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Slopes of Parallel and Perpendicular Lines |
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Complete the next two questions by filling in the blanks. |
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22) What is true about the slopes of parallel lines? |
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23) What is true about the slopes of perpendicular lines? |
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24) True or False. Perpendicular lines have opposite reciprocal slopes. |
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25) Which statement best describes the two given lines? |
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26) Which statement best describes the two given lines? |
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30) On graph paper, plot these points and draw the given lines. Are the lines parallel or perpendicular? Support your answer by explaining how you determined the solution. |
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Constructions of Angles and Parallel Lines |
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Activity: Print out the angle and ray below. Construct angle CAB on ray A, so that it is congruent to angle GFK. Use a compass to make the construction and follow the steps in the unit area link to “Constructions of Angles and Parallel Lines”. |
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Theorems about Parallel Lines |
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36) Write a proof for Theorem 8-B using the figure below as a reference. For a model, refer to Theorem 8-A in the unit area link to “Theorems about Parallel Lines”. You may write a paragraph proof or type up a formal proof and attach it below. |
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37) Copy or print Theorem 8-C and complete the proof by filling in the blanks. State the answers by giving the number of the statement or reason, and then the answer. |
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Refer to the figure below to answer the next two questions. |
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39) What theorem supports the following statement? |
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40) What theorem supports the following statement? |
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41) According to theorem 8-D, if line “t” is perpendicular to line “v” and angle 9 measures 90 degrees, then line “v” is parallel to what line? |
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43) What is the value of “x”? Explain your solution. |
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Constructions with Perpendicular Lines |
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Activity: Print out the figure below and then use a compass to construct a perpendicular bisector of the given line. |
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44) True or False? In the previous construction, there is exactly one point above the segment TV that can be used to construct the perpendicular line? |
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Activity: Print out the figure below and then use a compass to construct a perpendicular line from point Z to segment KL. |
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45) True or False? In the previous construction, there is exactly one line that can be drawn through point Z and perpendicular to segment KL. |
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Distance between a Point and a Line |
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46) In geometry, which line segment represents the distance between point P and line AE? |
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47) Select the term that completes the following statement: The distance from a point which is not on a line and a line is the length of a line segment that is _______________ from the point to the line. |
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49) In the figure below points S (–3, –1) and R (–2,2) line on line SR. Points T(1,1) and V(0, –2) line on line VT. (a) What is the slope of line TV? (b) What is the slope of line RS? (c) Are lines TV and RS parallel? Please explain. |
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51) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
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