Distance Formula Practice and Assignment

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Guided Practice 1.

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Assignment #1 1.

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locks locks

Garden hat a four perfect sister. with the marking a the garden.

6, 5.5)

midpoint. street. When she lays out the plot plan for the house and grounds, the endpoints of Read each question and choose the the sidewalk are located at (-5, -2) and best answer. (6, 3), as shown. 3.

1 In San Antonio, Megan’s family walks (6, 3) from the Instituto Cultural Mexicano to the Spanish Governor’s Palace. If the two were plotted on a coordinate plane, the Instituto might be at (0, 1) and the palace at (-2, 0), with 1 unit equaling 1 block. ( 5, 2) If Megan could take a bird’s straight flight path from one site to the other, what would the distance be? The arbor will be built the blocks midpoint of A 1.41 blocks C at2.24 the sidewalk’s coordinate B 1.73 blockslength.DWhich 2.42 blocks pair marks the midpoint? A (0.5, 2.5) C (1, 1) 2 After seeing the Four Seasons Garden B (0.5, 0.5) D (5.5, 2.5) at Fort Worth, Justin decides that a four 4. seasons garden would make a perfect 4 The diameter of afor circle is shown below. wedding present his older sister. He plans the garden as shown, with the ( 8, 4) coordinates (6,5.5) and (2.5,5) marking a line that forms the diameter of the garden. (6, 5.5)

mum

Daylily

(1, 2) Iris

Chrysanthemum

What is the length of the circle’s diameter? F 6.71 units H 10.82 units Daylily G (8.24 J 12.37 units 2.5, 5) units

untain at would be its

3) )

Justin plans to place a small fountain at the center of the garden. What would be its coordinates? F (1.5, 5.75) H (4.25, 3) G (1.75, 2.5) J (8.5, 6) 54

3 Padma wants to build an arbor across a sidewalk that angles from her house to the street. When she lays out the plot plan for the house and grounds, the endpoints of the sidewalk are located at (-5, -2) and (6, 3), as shown. (6, 3)

( 5, 2)

The arbor will be built at the midpoint of the sidewalk’s length. Which coordinate pair marks the midpoint? A (0.5, 2.5) C (1, 1) B (0.5, 0.5) D (5.5, 2.5) 4 The diameter of a circle is shown below. ( 8, 4)

(1, 2)

What is the length of the circle’s diameter? F 6.71 units H 10.82 units G 8.24 units J 12.37 units

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

y walks xicano to . If the two lane, the the palace g 1 block. raight flight what would

3 Padma wants to build an arbor across a

G.7(C) is expected to to derive sidewalkThe thatstudent angles from her house the and use formulas involving length, slope, and

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

ose the

Mastering the TAKS, Grade 11 6/28/06 3:53:38 PM

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6/28/06 3:53:38


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