Second Quarter Reviewer

A second-degree function of the form f(x) = ax² + bx + c, where a, b and c are real numbers and a is not equal to 0.

• Linear Function

• Quadratic Function

• Cubic Function

• Constant Function

The symbol on the left is called ___________.

• Radical Sign

• Plus Sign

• Minus Sign

• Division Sign

  Determine the quadratic function that will open upward?

• f(x) = 2 – 3x – 5x²

• f(x)  = -(x + 4)²

• f(x)  = -(x + 4)²

• f(x)  = 4x² – 12x + 9

The maximum point of the quadratic function f(x) = -3x² + 6x + 6 is ____. 

• (-3,6)

• (3,-6)

• (1,-9)

• (1,9)

What is the formula to find the k-value of a vertex, if the given quadratic function is in general form?

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In the expression on the left, what do you call n? 

• Index

• Power

• Root

• Radicand

  Consider the graph of f(x) = x² as your reference graph, which graph will translate upward? 

• f(x)  = x² - 1 

• f(x)  = x² - 4  

• f(x)  = x² + 2

• f(x)  = x² - 2

  What is the factor of 2x²? 

• 2•x

• 2•x•x   

• x²•x²  

• 2•2•x

Which of the following radicals is expressed in the simplest form?

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y varies directly as x and y = 32 when x = 4. Find the constant of variation.

• 8

• 36

• 28

• 128