A2 Unit 2 Review

Find the vertex of

f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)

• (-3,-8)

• (-3,8)

• (3,-8)

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

What direction does the parabola open?

y=-3x²-7x+8

• Up

• Down

• Left

• Right

What is the y-intercept?

f(x) = -2x² + 4x - 6

• (0, 6)

• (0, -6)

• (6, 0)

• (-6, 0)

What is the vertex?

f(x) = -x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

What is the range of this function?

• -4 ≤ y ≤ 5

• -1 ≤ x ≤ 3

• All Real Numbers

• y ≥ -4

What is the range of the function?

• y ≤ 3

• y ≥ 3

• (-∞, +∞)

• [-6, 3]

What is the domain of the function?

• All Real Numbers
• -3 ≤ x ≤ 1
• y ≥ 4
• y ≤ 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Convert the equation

y= x²-2x-5

into vertex form.

• y= (x-1)²-6

• y= -(x-1)²-6

• y= (x+1)²-6

• y= -(x+6)²-1