SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Simplify the expression

Grade: 9-a Lesson: S2-L3

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 \$ (x + y)^2 - (x - y)^2 \$	A) \$ 16xy \$ B) \$ 2xy \$ C) \$ -4xy \$ D) \$ 4xy \$
2	Simplify the expression \$ (3x)^2 + (x+2)^2 \$	A) \$ 10x^2 - 4x + 4 \$ B) \$ 9x^2 + 4x + 4 \$ C) \$ 10x^2 + 4x + 4 \$ D) \$ 10x^2 + 2x + 2 \$
3	Simplify the expression \$ (x + 6)^2 - (x - 6)^2 \$	A) \$ 6x \$ B) \$ 24x \$ C) \$ 12x \$ D) \$ 12 \$
4	Simplify the expression \$ (5 + x)^3 + 16 \$	A) \$ x^3-5x^2+65x+141 \$ B) \$ 5x^3+15x^2+55x+112 \$ C) \$ x^3+15x^2+75x+141 \$ D) \$ x^3+15x^2+75x+125 \$
5	Simplify the expression \$ (a+6)^2 + (a+2)^2 \$	A) \$ 2a^2+6a+40 \$ B) \$ 2a^2+16a+40 \$ C) \$ 2a^2+8a+20 \$ D) \$ a^2+8a+20 \$

Problem Id

Problem

Options

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

A) \$ 16xy \$

B) \$ 2xy \$

C) \$ -4xy \$

D) \$ 4xy \$

Simplify the expression
\$ (3x)^2 + (x+2)^2 \$

A) \$ 10x^2 - 4x + 4 \$

B) \$ 9x^2 + 4x + 4 \$

C) \$ 10x^2 + 4x + 4 \$

D) \$ 10x^2 + 2x + 2 \$

Simplify the expression
\$ (x + 6)^2 - (x - 6)^2 \$

A) \$ 6x \$

B) \$ 24x \$

C) \$ 12x \$

D) \$ 12 \$

Simplify the expression
\$ (5 + x)^3 + 16 \$

A) \$ x^3-5x^2+65x+141 \$

B) \$ 5x^3+15x^2+55x+112 \$

C) \$ x^3+15x^2+75x+141 \$

D) \$ x^3+15x^2+75x+125 \$

Simplify the expression
\$ (a+6)^2 + (a+2)^2 \$

A) \$ 2a^2+6a+40 \$

B) \$ 2a^2+16a+40 \$

C) \$ 2a^2+8a+20 \$

D) \$ a^2+8a+20 \$