Quadratic Functions 3

Which function is this graph

• y = 2(x – 2)²

• y = –2(x – 2)²

• y = (x + 2)²

• y = –2(x + 2)²

Which function is this graph?

• y = 4(x – 4)²

• y = 4(x + 4)²

• y = (x – 4)²

• y = (x + 4)²

Which graph is function y = 2(x + 1)²?

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Graph 1 translates the function y = 3x² . Which function is graph 1?

• y = 3x²– 3

• y = 3(x – 3)²

• y = 3x² + 3

• y = 3(x + 3)²

Which of the following is function y = –4(x – 1)²?

• 1

• 2

• 3

• 4

Which of the following is the vertex of y = –2(x – 3)² ?

• (3, 0)

• (–3, 0)

• (0, –2)

• (–2, –3)

What is the maximum value of y = – (x + 3)² ?

• –3

• 0

• 9

• 3

Given y = 3(x – 1)² , find y - intercept

• (0, 1)

• (0, -1)

• (0, 3)

• (0, -3)

Given y = 4(x + 2)² , find x - intercept

• (4, 0)

• (–4, 0)

• (2, 0)

• (–2, 0)

Which of the following is the symmetry axis of y = (x – 3)² ?

• parallet to the y-axis 3 units left

• parallet to the y-axis 3 units right

• parallet to the x-axis 3 units up

• parallet to the x-axis 3 units down