Solving Quadratics

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Solve using square root method

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

• 4

Solve using the Square Root Method

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

• 5

Solve using the Square Root Method

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

Write the question and show all work.
(x-5)² = 25

• ±0
• ±10
• 10, 0
• -10, 0