M2 Final Exam Period 3

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

If given the equation y = 3(x + 5)² - 4, how does the parabola open?

• up

• down

• left

• right

If given the equation y = 3(x + 5)² - 4, what is the line of symmetry?

• x = 3

• x = 5

• x = -5

• x = -4

What is the axis of symmetry for the equation: y = ½(x - 4)² - 4?

• y = 4

• y = - 4

• x = 4

• x = - 4

• (-1, -5)

• (-1, 5)

• (1, 5)

• (1, -5)

What is the vertex for the equation: y = ½(x - 4)² - 4?

• (4, 4)

• (-4, -4)

• (4, -4)

• (-4, 4)

Which way does the parabola open: y = ½(x - 4)² - 4?

• up

• down

• left

• right

• (0, 5)

• (0, -5)

• (5, 0)

• (-5, 0)

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

Factor:
10x + 15

• 100x + 150
• 10(x + 5)
• 1(10x + 15)
• 5(2x + 3)