Geometry Unit 2 – Parallel & Perpendicular Lines Page 120 EXAMPLE 5: Based on your conclusion from Example 4, fill in the chart below. SLOPE OF A LINE SLOPE FOR A PARALLEL LINE SLOPE FOR A PERPENDICULAR LINE 3 2-4 4 1 2 0 . EXAMPLE 6: Find the slopes of the following lines to determine if the lines are parallel. Slope of line a

Segment Bisector Line AB bisects} CD at point B. ... parallel, or skew to the backboard? 22. Is the plane containing the rim perpendicular, ... (23, 21), slope 5 3 1. In the figure below, AB and GE are parallel. Triangle ACD is isosceles with the lengths of CA and CD equal. The measures of angles FDE and GDH are 60° and 65° respectively. What is the measure of angle CAB? A) 55° B) 6° C) 10° D) 15° E) 5° 2. If a, b and y are positive real numbers with such that none of them is equal to 1 and b above it. Explain why the top rung is parallel to the bottom rung. 14)How do you find the slope of a line given the coordinates of two points on the line? 15)Find the slope of the line that passes through the points (3, 5) and (5, 6). Tell whether lines through the given points are parallel, perpendicular, or neither. Justify your answer. Start studying Unit 2 Test 1: Parallel Line, Angle, and Segment Proofs & slope/equations of lines. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The slope of the graph of y 5 2x 1 3 is . 8. The slope of any line parallel to the graph of y 5 2x 1 3 is . 9. Use point-slope form to find an equation of the line that passes through (23, 21) and uses the slope from Exercise 8. y 2 y1 5 m(x 2 x1) Nonvertical lines are parallel if they have the same slope and diff erent y-intercepts. Vertical ... Parallel lines are lines in a plane which do not intersect. Like adjacent lanes on a straight highway, two parallel lines face in the same direction, continuing on and on and never meeting each other. In the figure in the first section below, the two lines A B ↔ \overleftrightarrow{AB} A B and C D ↔ \overleftrightarrow{CD} C D are parallel. Plot each of the points below, then fill in the chart on the right using the distance, slope, and midpoint formulas. Use this information to determine what kind of quadrilateral is created by these 4 points A = (-1 , 4 ) B = (1 ,1 ) C = (-1 , -4 ) D = (-3, -1 ) Jan 15, 2019 · The intersection of the given lines AB and CD is: (2.4, 2.4) This article is contributed by Aanya Jindal . If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to [email protected] slope, and distance. Example 1 Show that the given midsegment of the triangle is parallel to the third side of the triangle and is half as long as the third side. A The vertices of GHI are G (-7, -1), H (-5, 5)nad I (1, 3). J is the midpoint of _ GH , and K is the midpoint of _ IH . Show that _ _ JK ∥ GI and JK = __1 2 GI. Sketch _ JK . Name: _____ ID: A 2 ____ 5. Name three points that are collinear. a. Q, L, M c. L, P, T b. R, S, K d. M, L, R ____ 6. Are points B, A, D, and C coplanar? Explain. Parallel demand curves, it should be remembered that even if the slopes of two straight line demand curves are equal, i.e., even if the two such demand curves are parallel, they are not iso-elastic. For example, in Fig. 2.10, suppose that AB and CD are two straight line demand curves parallel to each other.