Quadratic Functionsn 4

Which function is this graph?

• y = –3(x + 1)² + 3

• y = –3(x + 1)² – 3

• y = –(x + 1)² – 3

• y = –(x + 1)² + 3

Given graph of y = a(x – h)² + k. Which of the following is true?

• a > 0, h > 0, k > 0

• a > 0, h > 0, k = 0

• a > 0, h < 0, k = 0

• a > 0, h < 0, k > 0

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

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• 
• 
• 

• 1

• 2

• 3

• 4

Which of the following is function that translate from y = –x² by 3 units right and 4 unit down?

• y = –3x² – 4

• y = –(x – 4)² + 3

• y = –(x + 3)² + 4

• y = –(x – 3)² – 4

Given y = 4(x – 2)² – 5. If x = 1 then y

• -2

• -1

• -5

• 0

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

• -3

• -2

• 2

• 3

What is the symmetry axis of y = –3(x + 1)² – 8?

• x = 0

• x = 1

• x = -1

• x = 8

• (0,6)

• (0,5)

• (0,4)

• none

Given y = (x – 3)² + 3. Which of the following is correct?

• The vertex is (-3, 3)

• Thd symmetry axis is y = 3.

• The minimum value is 3.

• The x-intercept are (-3, 0) and (3, 0).