SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Simplify the expression by using two variables

Grade: 9-a Lesson: S1-L1

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	Simplify the expression \$ (4x^3) (-3y^(-3))(5x^-2 y^2) \$	A) \$ 60xy \$ B) \$ (60y)/x \$ C) \$ 60/(xy) \$ D) \$ (-60x)/y \$
2	Simplify the expression \$ (-6x^(-5) \times 2y^(-3))(-2x^4 \times 3y^2)\$	A) \$ 72/(xy) \$ B) \$ 72xy \$ C) \$ (-36x)/y \$ D) \$ -36xy^2 \$
3	Simplify the expression \$ (-3x^7 \times (-6)y^9)(2x^(-9)\times y^2) \$	A) \$ 36x^2y^12 \$ B) \$ (12x^3)/y^9 \$ C) \$ (36y^11)/x^2 \$ D) \$ 24x^9y^9 \$
4	Simplify the expression \$ (-5x^(-16) \times 2y^12)((-6)x^(7)\times (-2)y^(-3)) \$	A) \$ 12x^8y^3 \$ B) \$ (-120y^9)/x^9 \$ C) \$ (120x^5)/y^9 \$ D) \$ 240x^10y^12 \$
5	Simplify the expression \$ (-8x^(18) \times y^12)(x^(-8) \times y^(-10)) \$	A) \$ 8^12y^22 \$ B) \$ 8x^26y^22 \$ C) \$ -8x^10y^2 \$ D) \$ (8y^12)/x^12 \$

Problem Id

Problem

Options

Simplify the expression
\$ (4x^3) (-3y^(-3))(5x^-2 y^2) \$

A) \$ 60xy \$

B) \$ (60y)/x \$

C) \$ 60/(xy) \$

D) \$ (-60x)/y \$

Simplify the expression
\$ (-6x^(-5) \times 2y^(-3))(-2x^4 \times 3y^2)\$

A) \$ 72/(xy) \$

B) \$ 72xy \$

C) \$ (-36x)/y \$

D) \$ -36xy^2 \$

Simplify the expression
\$ (-3x^7 \times (-6)y^9)(2x^(-9)\times y^2) \$

A) \$ 36x^2y^12 \$

B) \$ (12x^3)/y^9 \$

C) \$ (36y^11)/x^2 \$

D) \$ 24x^9y^9 \$

Simplify the expression
\$ (-5x^(-16) \times 2y^12)((-6)x^(7)\times (-2)y^(-3)) \$

A) \$ 12x^8y^3 \$

B) \$ (-120y^9)/x^9 \$

C) \$ (120x^5)/y^9 \$

D) \$ 240x^10y^12 \$

Simplify the expression
\$ (-8x^(18) \times y^12)(x^(-8) \times y^(-10)) \$

A) \$ 8^12y^22 \$

B) \$ 8x^26y^22 \$

C) \$ -8x^10y^2 \$

D) \$ (8y^12)/x^12 \$