Quadratic Functions P3

The graph shows the function f(x) = 2(x – 1)² – 3.

• TRUE

• FALSE

The graph shows the function f(x) = 2(x – 1)² - 1.

• TRUE

• FALSE

Using quadratic function in the form y = ax² + bx + c, which of the following are the values of a, b, and c of the function y = (x – 2)(x + 4)?

• a = 1, b = 2, c = -8

• a = 1, b = -2, c = -8

• a = 1, b = 2, c = 8

• a = 1, b = -2, c = 8

What is the graph of the quadratic function y = x²?

• 
• 
• 
• 

With the graph of y = x², what is its vertex?

• (1, 1)

• (0, 0)

• (2, 2)

• (3, 3)

With the graph of y = x², what is its vertex?

• Downward

• Upward

With the graph of y = x², the vertex is ________ point.

• Minimum

• Maximum

With the graph of y = x², the equation of the axis of symmetry is?.

• x = 0

• x = 1

With the graph of y = x², the domain is?

• The set of all real numbers of x.

• The set of all real numbers of y.

With the graph of y = x², the range is?

• {y:y > 0}

• {y:y < 0}