Chapter 12 Circles

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• Skills Handbook, p. 834 Solving Equations

  Algebra Solve for x.

  1. 1 2 ( x + 42 ) = 62 1 half . open x plus 42 close equals 62
  2. ( 5 + 3 ) 8 = ( 4 + x ) 6 open 5 plus . 3 close 8 equals . open 4 plus , x close 6
  3. ( 9 + x ) 2 = ( 12 + 4 ) 3 open 9 plus . x close 2 equals . open 12 plus 4 . close 3

• Lesson 1-7 Distance Formula

  Find the distance between each pair of points.

  4. ( 13 , 7 ) , ( 6 , 31 ) open 13 comma 7 close comma open 6 comma 31 close
  5. ( − 4 , 2 , ) , ( 2 , − 4 ) open negative 4 comma 2 comma close comma open 2 comma negative 4 close
  6. ( − 3 , − 1 ) , ( 0 , 3 ) open negative 3 comma negative 1 close comma open 0 comma 3 close
  7. ( 2 3 , 5 ) , ( − 3 , 2 ) open 2 square root of 3 comma 5 . close comma open negative , square root of 3 comma 2 , close

• Lesson 4-5 Isosceles and Equilateral Triangles

  Algebra Find the value of x.

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• Lesson 8-1 The Pythagorean Theorem

  Algebra Find the value of x. Leave your answer in simplest radical form.

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