MCR3U CHAPTER 3 REVIEW

What is the vertex of the function f (x) = 3(x - 2)² - 6?

• (-2,-6)

• (2,-6)

• (3,-2)

• what's a vertex?

What are the zeroes of the function f (x) = -2(x + 1)(x - 5)?

• x = 1, -5

• x = -2

• x = -1, 5

• what are zeroes?

What is the axis of symmetry of the function f (x) = -5(x - 1)(x + 1)?

• x = -1
• x = 1
• x = 0
• what's an axis of symmetry?

Which of the following statements about the function f (x) = -2(x + 2)(x - 6) is false?

• direction of opening: down

• axis of symmetry: x = 2

• zeroes: -2, 6

• y-intercept: -24

Determine the vertex of the function f (x) = x² - 6x - 3.

• (-6,3)

• (-3,3)

• (3,-12)

• (3,-3)

Determine the vertex of the function f (x) = -3x² - 12x + 2.

• (4,12)

• (-2,14)

• (-2,-2)

• (2,10)

What are the zeroes of the function f (x) = 2(x - 3)² - 8?

• x = 3, -8

• x = -2, 6

• x = -3, 0

• x = 1, 5

What are the zeroes of the function f (x) = x² + 5x - 3?

• x = 1.08, -11.08

• x = 1.12, -2.12

• x = 0.54, -5.54

• none of the above

How many roots does the function f (x) = -2x² + 7x - 8 have?

• 0 real roots

• 1 real root

• 2 real roots

• 3 real roots

How many roots does the equation -2 = 4x² - 3x have?

• 0 real roots

• 1 real root

• 2 real roots

• 3 real roots