SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Simplify the expression by using algebric identities

Grade: 9-a Lesson: S3-L2

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: \$ (5-8x^2+4x) + (2x^2-10-7x^5) - (10+8x+10x^5) \$	A) \$ -17x^5 - 6x^2 + 4x - 15 \$ B) \$ -17x^5 + 6x^2 - 4x - 15 \$ C) \$ -17x^5 - 6x^2 - 4x - 15 \$ D) \$ -17x^5 + 6x^2 - 4x - 15 \$
2	Simplify the expression: \$ (25a^2 + 4a + 2)(25a^2 - 4a + 2) \$	A) \$ 625a^4 + 84a^2 + 2 \$ B) \$ 625a^4 + 84a^2 + 8 \$ C) \$ 625a^4 + 86a^2 + 4 \$ D) \$ 625a^4 + 84a^2 + 4 \$
3	Simplify the expression: \$ (16x^4 - y^4)(4x^2 + y^2)(2x+y)(2x-y) \$	A) \$ 256x^8 - 32x^4y^4 + y^8 \$ B) \$ 256x^8 - 16x^4y^4 + y^8 \$ C) \$ 256x^8 + 32x^4y^4 + y^8 \$ D) \$ 256x^8 + 16x^4y^4 + y^8 \$
4	Simplify the expression: \$ (x+1)(x+2)^2 \$	A) \$ x^3 + 5x^2 + 8x + 2 \$ B) \$ x^3 + 5x^2 + 8x + 4 \$ C) \$ x^3 + 5x^2 + 10x + 4 \$ D) \$ x^3 + 6x^2 + 8x + 4 \$
5	Simplify the expression: \$ (5x-1)^2(5x+1) \$	A) \$ 125x^3 - 25x^2 + 15x + 1 \$ B) \$ 125x^3 - 25x^2 - 15x + 1 \$ C) \$ 125x^3 + 75x^2 - 5x + 1 \$ D) \$ 125x^3 - 25x^2 - 5x + 1 \$

Problem Id

Problem

Options

Simplify the expression:
\$ (5-8x^2+4x) + (2x^2-10-7x^5) - (10+8x+10x^5) \$

A) \$ -17x^5 - 6x^2 + 4x - 15 \$

B) \$ -17x^5 + 6x^2 - 4x - 15 \$

C) \$ -17x^5 - 6x^2 - 4x - 15 \$

D) \$ -17x^5 + 6x^2 - 4x - 15 \$

Simplify the expression:
\$ (25a^2 + 4a + 2)(25a^2 - 4a + 2) \$

A) \$ 625a^4 + 84a^2 + 2 \$

B) \$ 625a^4 + 84a^2 + 8 \$

C) \$ 625a^4 + 86a^2 + 4 \$

D) \$ 625a^4 + 84a^2 + 4 \$

Simplify the expression:
\$ (16x^4 - y^4)(4x^2 + y^2)(2x+y)(2x-y) \$

A) \$ 256x^8 - 32x^4y^4 + y^8 \$

B) \$ 256x^8 - 16x^4y^4 + y^8 \$

C) \$ 256x^8 + 32x^4y^4 + y^8 \$

D) \$ 256x^8 + 16x^4y^4 + y^8 \$

Simplify the expression:
\$ (x+1)(x+2)^2 \$

A) \$ x^3 + 5x^2 + 8x + 2 \$

B) \$ x^3 + 5x^2 + 8x + 4 \$

C) \$ x^3 + 5x^2 + 10x + 4 \$

D) \$ x^3 + 6x^2 + 8x + 4 \$

Simplify the expression:
\$ (5x-1)^2(5x+1) \$

A) \$ 125x^3 - 25x^2 + 15x + 1 \$

B) \$ 125x^3 - 25x^2 - 15x + 1 \$

C) \$ 125x^3 + 75x^2 - 5x + 1 \$

D) \$ 125x^3 - 25x^2 - 5x + 1 \$