Quadratics Quick Check

What is the equation for the Axis of Symmetry?

• x = 2

• x = 4

• y = 4

• y = -4

Which of the following statements is true about the graph?

• It has a minimum of 1

• It has a maximum of 2

• x = 2 is considered a zero

• It has a maximum of 1

What is the vertex for
f(x)=4(x-2)² + 3

• (-2, 3)
• (2,-3)
• (4,3)
• (2,3)

When completing the square

x² - 4x + 4 = 20,

what goes in the blank?

(x - __ )² = 20

• 4

• 2

• 8

• 20

What is the AOS to y = 3x² - 12x + 1

• x= 2

• x= -2

• x = 4

• x = 12

Write in standard form:

y=3(x + 5)² - 1

• y= 3x² + 74

• y= 3x² + 10x + 24

• y= 3x² + 30x + 74

• y= 3x² + 15x + 74

Where does the parabola cross the

x-axis for the equation y= x²+2x-3

• (0,-3) (0,1)

• (-2,0) (3,0)

• (-3,0) (1,0)

• (3,0) (-1,0)

Tags

CCSS.HSF-IF.C.7A

Find the vertex for the parabola

y= -1(x-5)(x-3)

• (4, 1)

• (5, 3)

• (-4, 2)

• (1, 4)

Pictured is the graph of a quadratic function

y = ax² + bx + c. Use the graph to determine whether the value of b must be positive or negative.

• Positive

• Negative

What is f(-1)?

• 6

• -2

• sqrt(2)

• -4