Math 2 - Unit 1 Review

What is the axis of symmetry for the following equation?

y= 4x² - 8x + 9

• x = -8

• x = 1

• x = -1

• x = 2

Find the vertex of

f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

• (4, 12)

Find the intervals of increase and decrease

• increase (1, -∞); decrease ( ∞, 1)

• decrease (−∞, 1); increase (1, ∞)

• increase (−∞, -4); decrease (-4, ∞)

• decrease (−∞, -4); increase (-4, ∞)

What is the end behavior?

• As x → ∞, y→ -∞ and As x → -∞,y→ -∞

• As x → ∞, y→ ∞ and As x→ ⁻∞, y→ ∞

• As x → ∞, y→ ∞ and As x→ -∞, y→ 0

• As x → ∞, y→ ∞ and As x→ -∞, y→ -∞

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the following function?
y= -4|x+2|+5

• (-4,2)
• (-2,5)
• (-4,-2)
• (2,5)

Tags

CCSS.HSF-IF.C.7D

What is the equation of this graph?

• y = 2|x-3|+1

• y = 2|x-1|+3

• y = -2|x+1|+3

• y = -2|x-1|+3

Tags

CCSS.HSF-IF.C.7D

Find the equation f(x)

• -x² + 2x + 10

• -2x² + 3x + 10

• -x² + 10

• x² + 10

If a parabola has a focus at (3, 6) and vertex at (3, 5), what is its directrix?

• (3, 4)

• (3, 7)

• y = 4

• x = 3