polynomial zeros

polynomial zeros

11th Grade

10 Qs

quiz-placeholder

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polynomial zeros

polynomial zeros

Assessment

Quiz

Mathematics

11th Grade

Medium

CCSS
HSA.APR.B.3, HSA.APR.B.2, HSN.CN.A.1

+3

Standards-aligned

Created by

tracey martin

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write the polynomial in standard form given the following zeros. x = -2, 1, 4

f(x) = (x+2)(x-1)(x-4)

f(x) =x3 - 3x2 - 6x + 8

f(x) = x3 + 8

f(x) = x3 - 3x2 + 8

Tags

CCSS.HSA.APR.B.3

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following would be the correct factored form with roots 2, 5i, and 6?

(x-6)(x-2)(x+5i)(x-5i)

(x+6)(x+2)(x+5i)

(x-6)(x-2)(x-5i)

(x+6)(x+2)(x-5i)

Tags

CCSS.HSA.APR.B.3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a+bi is a root of a polynomial, then _______ is also a root.

i2

a-bi

a+bi

-i2

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.C.8

CCSS.HSN.CN.C.9

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find a polynomial function of degree 3 with zeros 3i and -2.

P(x) = x3+2x2+9x+11
P(x) = x3-2x2+9x+18
P(x) = x3+2x2+9x+18
P(x) = x2-3ix+2x-6i

Tags

CCSS.HSA.APR.B.3

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write a polynomial function of least degree with integral coefficients that has the given zeros.

-1, 5, -3+2i

x4+2x3-16x2-82x-69

x4+7x3-16x2-82x-65

x4+2x3-16x2-82x-65

x4+2x3-16x2-82x-68

Tags

CCSS.HSA.APR.B.3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find all zeros of the polynomial function P(x) = x3+6x2+9x+54

6, 3, -3
-6, 3, -3
-6, 3i, -3i
6, 3i, -3i

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Is (x-7) a factor of (x2-5x+14)?

Yes
No

Tags

CCSS.HSA.APR.B.2

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