Core Mathematics III Quiz 2 - Spring 2011, Quizzes of Mathematics

The spring 2011 quiz 2 for the core mathematics iii course, where students are required to answer questions related to simplifying expressions, finding multiplicative inverses, and performing quotients without using calculators. Questions vary in each version a, b, and c.

Typology: Quizzes

2010/2011

Uploaded on 05/22/2011

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MATH 10023 Core Mathematics III Spring 2011/H1
Circle one: 9:55 12:05 Ms. Kracht
Name: Quiz Score: /20
Quiz 2: Version A
NO CALCULATORS. Show your reasoning. Use standard notation correctly.
1. (10 pts) Simplify by writing in lowest terms.
(a) x3
3x
(b)
1
x21
25
1
x+1
5
2. (5 pts) Find the multiplicative inverse (or indicate
undefined).
(a) 2
5
(b) π
(c)
1
x
(d) 0
7
(e) 3a
b
3. (5 pts) Find the quotient and simplify.
y2+ 3y18
y2÷
5y+ 30
y
.
pf3

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Circle one: 9:55 12:05 Ms. Kracht

Name: Quiz Score: /

Quiz 2: Version A

NO CALCULATORS. Show your reasoning. Use standard notation correctly.

  1. (10 pts) Simplify by writing in lowest terms.

(a) x^ −^3 3 − x

(b)

1 x^2 −^

1 25 1 x +^

1 5

  1. (5 pts) Find the multiplicative inverse (or indicate undefined).

(a) 2 5

(b) π

(c) − 1 x

(d)

(e)

3 a b

  1. (5 pts) Find the quotient and simplify.

y^2 + 3y − 18 y^2

÷

5 y + 30 y

Circle one: 9:55 12:05 Ms. Kracht

Name: Quiz Score: /

Quiz 2: Version B

NO CALCULATORS. Show your reasoning. Use standard notation correctly.

  1. (10 pts) Simplify by writing in lowest terms.

(a) y^ −^7 7 − y

(b)

1 x^2 −^

1 81 1 x +^

1 9

  1. (5 pts) Find the multiplicative inverse (or indicate undefined).

(a) 3 11

(b) π

(c) − 1 w

(d)

(e)

5 a b

  1. (5 pts) Find the quotient and simplify.

x^2 − x − 20 x^2

÷

3 x + 12 x