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Practice

7.16.5 Practice

7.16.5 • Practice

Complete the following questions to practice the skills you have learned in this lesson.

  1. What is the x -coordinate of the vertex of the graph that represents y = ( x − 2 ) 2 − 8 ?
  1. What is the y -coordinate of the vertex of the graph that represents y = ( x − 2 ) 2 − 8 ?
  1. Where is the y -intercept for the equation y = ( x − 2 ) 2 − 8 located?
  1. Which of the following is another point on the graph of the equation y = ( x − 2 ) 2 − 8 ?
  1. ( − 4 , − 4 )
  2. ( 4 , 4 )
  3. ( − 4 , 4 )
  4. ( 4 , − 4 )
  1. Which graph is a representation of y = ( x − 6 ) 2 − 5 ?

  1. Graph A
  2. Graph B
  3. Graph C
  4. Graph D
  1. The function v is defined by v ( x ) = 12 ( x + 5 ) 2 − 7 .

    Without graphing, determine if the vertex of the graph representing v shows the minimum or maximum value of the function.

  1. The vertex shows the minimum value.
  2. The vertex shows the maximum value.
  1. Choose the equation that matches the graph of parabola D .

  1. y = − 1 3 ( x − 6 ) 2 − 5
  2. y = 6 ( x − 6 ) 2 − 5
  3. y = ( x − 6 ) 2 − 5
  4. y = − 2 ( x − 6 ) 2 − 5
  1. Choose the equation that matches the graph B.

  1. y = − 1 3 ( x − 6 ) 2 − 5
  2. y = 6 ( x − 6 ) 2 − 5
  3. y = ( x − 6 ) 2 − 5
  4. y = − 2 ( x − 6 ) 2 − 5
  1. Choose the equation that matches the graph C.

  1. y = − 1 3 ( x − 6 ) 2 − 5
  2. y = 6 ( x − 6 ) 2 − 5
  3. y = ( x − 6 ) 2 − 5
  4. y = − 2 ( x − 6 ) 2 − 5