SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

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: at Home

Problem Id	Problem	Options
1	Simplify the expression \$ (-x^14) (2y^7)(-x^(-7) y^2) \$	A) \$ 2x^9y^9 \$ B) \$ (-2x^7)/y^5 \$ C) \$ 2x^7y^9 \$ D) \$ -2x^21y^7 \$
2	Simplify the expression \$ (2x^23 \times y^21)(2x^(-24) \times y^2) \$	A) \$ 4xy^23 \$ B) \$ 4x^47y^23 \$ C) \$ (4x)/y^23 \$ D) \$ (4y^23)/x \$
3	Simplify the expression \$ (-x^15 \times (-1)y^3)(3x^(-19)\times y^2) \$	A) \$ (3x^4)/y^5 \$ B) \$ 3x^4y^5 \$ C) \$ (3y^5)/x^4 \$ D) \$ -3x^5y^5 \$
4	Simplify the expression \$ (-2x^(-6) \times (-2)y^2)(x^3 \times y^(-3))\$	A) \$ (4x^3)/y^2 \$ B) \$ 4/(x^3y) \$ C) \$ -4x^3y^3 \$ D) \$ -4x^2y^3 \$
5	Simplify the expression \$ (x^0 \times (-1)y^0)(12x^1 \times y^1) \$	A) \$ -12xy \$ B) \$ 12xy \$ C) \$ -12x^2y^2 \$ D) \$ 0 \$

Problem Id

Problem

Options

Simplify the expression
\$ (-x^14) (2y^7)(-x^(-7) y^2) \$

A) \$ 2x^9y^9 \$

B) \$ (-2x^7)/y^5 \$

C) \$ 2x^7y^9 \$

D) \$ -2x^21y^7 \$

Simplify the expression
\$ (2x^23 \times y^21)(2x^(-24) \times y^2) \$

A) \$ 4xy^23 \$

B) \$ 4x^47y^23 \$

C) \$ (4x)/y^23 \$

D) \$ (4y^23)/x \$

Simplify the expression
\$ (-x^15 \times (-1)y^3)(3x^(-19)\times y^2) \$

A) \$ (3x^4)/y^5 \$

B) \$ 3x^4y^5 \$

C) \$ (3y^5)/x^4 \$

D) \$ -3x^5y^5 \$

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

A) \$ (4x^3)/y^2 \$

B) \$ 4/(x^3y) \$

C) \$ -4x^3y^3 \$

D) \$ -4x^2y^3 \$

Simplify the expression
\$ (x^0 \times (-1)y^0)(12x^1 \times y^1) \$

A) \$ -12xy \$

B) \$ 12xy \$

C) \$ -12x^2y^2 \$

D) \$ 0 \$