On your own paper, describe how the graph of y = ax² + c will be affected by each of the following changes. (Use the words up or down.) You may use a graphing calculator if necessary.

1. The value of c is -7.
   
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   Hint

   Look at Section 2 and/or your notes entry for Section 2.

   
   
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   Answer

   The graph (or parabola) will move down 7 units.

   
2. The value of c is 1.
   
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   Hint

   Look at Section 1 and/or your notes entry for Section 1.

   
   
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   Answer

   The graph (or parabola) will move up 1 unit.

   
3. The value of c is 5.
   
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   Hint

   Look at Section 1 and/or your notes entry for Section 1.

   
   
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   Answer

   The graph (or parabola) will move up 5 units.

   
4. The value of c is -3.
   
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   Hint

   Look at Section 2 and/or your notes entry for Section 2.

   
   
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   Answer

   The graph (or parabola) will move down 3 units.