Math 9- Quarter 1-Quiz # 4

Which of the following situations represent a quadratic function?

• linear growth

• shooting a ball

• driving

• swimming

What is the second difference of the function represented by the table of values?

• 2

• -2

• 4

• -6

What is the second difference of the function represented by the given table of values?

• -1

• -3

• 2

• 3

Which of the following table of values illustrates a quadratic function?

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• 
• 
• 

Which of the following equations represents a quadratic function?

Which of the following DOES NOT represent a quadratic function?

Which of the following graphs represents a quadratic function?

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• 
• 
• 

Which of the following is true about the graph of a quadratic function if "a" is positive?

• The graph opens sideward.

• The graph opens downward.

• The graph opens upward.

• The graph opens to the left.

• 2

• -2

• 6

• -6

• -3

• 3

• 7

• -7