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9.4 Review for Test

Authored by Jay Newberry

Mathematics

9th - 12th Grade

CCSS covered

Used 3+ times

9.4 Review for Test
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7 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

List the possible rational zeros of

f(x) = x3 - 4x2 -4x + 16

1, 2, 4, 8, 16

±1,±2,±4,±8,±16\pm1,\pm2,\pm4,\pm8,\pm16

±1,±4,±14\pm1,\pm4,\pm\frac{1}{4}

-2 and-4

Tags

CCSS.HSA.APR.B.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

List all possible rational roots for the given function:

f(x) = 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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find all the real roots of the given function:

f(x) = x3 - 7x - 6 = 0

1, 2, 3

-1, -2, - 3

-1, -2, 3

1,-2,-3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the cubic function whose graph passes through the given points:

(hint: solve by hand or by using DESMOS)

(-1, 0), (-4, 0), (4, 0), (0, 3)

 y = 4x3+x26x+1y\ =\ -4x^3+x^2-6x+1  

 y = .19x3+.19x23x+3y\ =\ .19x^3+.19x^2-3x+3  

 y = .19x3.19x2+3x+3y\ =\ -.19x^3-.19x^2+3x+3  

 y = .19x3.19x2+3x4y\ =\ -.19x^3-.19x^2+3x-4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of function is represented by the following table?


(hint: it may be easier to re-write your data points horizontally)

Cubic

Quadratic

Exponential

Linear

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the equation for the following function rule represented by the table?

f(x) = 5x
f(x) = 5x
f(x) = 5x3-15x2+15x
f(x) = 2x2-5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

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