precalc chapter 2 review

Find the vertex of f(x)= -2x²-16x+3.

• (4, -93)

• (-4, 35)

• (-4,99)

• (8,3)

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3,-7) and passes through the point (1,-10)?

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Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

What is the total number of roots for the following equation?
y = 4x⁶ - 12x⁵ - x⁴ + 2x³ - 6x² - 5x + 10

• 4

• 5

• 6

• 7

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

According to the Rational Root Theorem, what are the all possible rational roots?

2x³ - 11x² + 12x + 9 = 0

• ±1,±2

• ±1,±3,±9

• ±1,±3±9,±1/2,±3/2,±9/2

• ±1,±2,±1/3,±2/3,±1/9,±2/9

Find all zeros for the polynomial function P(x) = x³ -3x²-5x+15

• 3, √5 

• 3, √5, -√5

• -3, √5, -√5

• -3, 5i, -5i

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Determine the end behavior of the function.

f(x) = -x⁵ - 4x +2

• Rise to Left, Rise to Right

• Rises to Left, Falls to Right

• Falls to Left, Rises to Right

• Falls to Left, Falls to Right

Use synthetic division:
(2x³ - 5x - 7) ÷ (x - 2)

• 2x³ - 4x² + 3x - 13

• 2x³ + 4x² +3x - 1

• 2x² - 4x + 3 - 13/x-2

• 2x² + 4x + 3 - 1/x-2

Tags

CCSS.HSA.APR.D.6

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i

• B.  -23 - 29i

• C.  -34 + 13i

• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

Divide: (28+3i)÷(2+3i)

• 2+5i

• 1-3i

• 5+6i

• 5-8i

Tags

CCSS.HSN.CN.A.3

What is the Horizontal Asymptote? 

• y= 5

• y= -6

• y= 1

• y= 5/-6

Tags

CCSS.HSF-IF.C.7D