SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz In Class

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: in Class

Problem Id	Problem	Options
1	Simplify the expression: \$ (5+7x^2) - (9x^2+14+3x^5) - (8-2x-4x^5) \$	A) \$ x^5 - 2x^2 + 2x + 15 \$ B) \$ x^5 - 2x^2 - 2x + 13 \$ C) \$ x^5 - 2x^2 + 2x - 17 \$ D) \$ x^5 + 2x^2 + 2x + 10 \$
2	Simplify the expression: \$ 9x^2 + 4y^2 + 25z^2 + 12xy + 20yz + 30zx \$	A) \$ (3x + 2y + 5z)^2 \$ B) \$ (3x + 4y + 5z)^2 \$ C) \$ (3x + 2y + 15z)^2 \$ D) \$ (9x + 2y + 5z)^2 \$
3	Simplify the expression: \$ (8x^4-4x^2-10x) - (2x^2-3x) + (4+7x^3+9x^4) \$	A) \$ (17x^4 + 7x^3 - 6x^2 - 7x + 4) \$ B) \$ (17x^4 + 7x^3 - 6x^2 + 7x 4) \$ C) \$ (17x^4 + 7x^3 - 6x^2 - 7x - 4) \$ D) \$ (17x^4 - 7x^3 + 6x^2 - 7x + 4) \$
4	Simplify the expression: \$ (x-3)^3 \$	A) \$ x^3 - 9x^2 + 27x + 27 \$ B) \$ x^3 + 9x^2 + 27x - 27 \$ C) \$ x^3 - 9x^2 - 27x - 27 \$ D) \$ x^3 - 9x^2 + 27x - 27 \$
5	Simplify the expression: \$ (4x+6)^2 (2x+1) \$	A) \$ 16x^3 + 114x^2 + 122x + 36 \$ B) \$ 16x^3 + 112x^2 + 120x + 36 \$ C) \$ 32x^3 + 112x^2 + 120x + 36 \$ D) \$ 32x^3 + 120x^2 + 112x + 36 \$

Problem Id

Problem

Options

Simplify the expression:
\$ (5+7x^2) - (9x^2+14+3x^5) - (8-2x-4x^5) \$

A) \$ x^5 - 2x^2 + 2x + 15 \$

B) \$ x^5 - 2x^2 - 2x + 13 \$

C) \$ x^5 - 2x^2 + 2x - 17 \$

D) \$ x^5 + 2x^2 + 2x + 10 \$

Simplify the expression:
\$ 9x^2 + 4y^2 + 25z^2 + 12xy + 20yz + 30zx \$

A) \$ (3x + 2y + 5z)^2 \$

B) \$ (3x + 4y + 5z)^2 \$

C) \$ (3x + 2y + 15z)^2 \$

D) \$ (9x + 2y + 5z)^2 \$

Simplify the expression:
\$ (8x^4-4x^2-10x) - (2x^2-3x) + (4+7x^3+9x^4) \$

A) \$ (17x^4 + 7x^3 - 6x^2 - 7x + 4) \$

B) \$ (17x^4 + 7x^3 - 6x^2 + 7x 4) \$

C) \$ (17x^4 + 7x^3 - 6x^2 - 7x - 4) \$

D) \$ (17x^4 - 7x^3 + 6x^2 - 7x + 4) \$

Simplify the expression:
\$ (x-3)^3 \$

A) \$ x^3 - 9x^2 + 27x + 27 \$

B) \$ x^3 + 9x^2 + 27x - 27 \$

C) \$ x^3 - 9x^2 - 27x - 27 \$

D) \$ x^3 - 9x^2 + 27x - 27 \$

Simplify the expression:
\$ (4x+6)^2 (2x+1) \$

A) \$ 16x^3 + 114x^2 + 122x + 36 \$

B) \$ 16x^3 + 112x^2 + 120x + 36 \$

C) \$ 32x^3 + 112x^2 + 120x + 36 \$

D) \$ 32x^3 + 120x^2 + 112x + 36 \$