SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

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: at Home

Problem Id	Problem	Options
1	Simplify the expression \$ (2x + 5y)^4 - (2x - 5y)^4 \$	A) \$ 320x^3y+200xy^3 \$ B) \$ 32x^3y+20xy^3 \$ C) \$ 320x^3y+2000xy^3 \$ D) \$ 160x^3y+200xy^3 \$
2	Simplify the expression \$ (7x + 6y)^4 - (7x - 6y)^4 \$	A) \$ 16424x^3y+12096xy^3 \$ B) \$ 12464x^3y+12496xy^3 \$ C) \$ 16464x^3y+12096xy^3 \$ D) \$ 16464x^2y+12096xy^2 \$
3	Simplify the expression \$ (x+1)^2 + 3x^2 + 2x \$	A) \$ 4x^2+4x+1 \$ B) \$ 2x^2+2x+1 \$ C) \$ 4x^2+4x+4 \$ D) \$ x^2-4x+2 \$
4	Simplify the expression \$ (x+1)^2 + (x-2)^2 \$	A) \$ 2x^2-2x-5 \$ B) \$ 2x^2-2x+5 \$ C) \$ 2x^2+2x+5 \$ D) \$ 4x^2-4x+5 \$
5	Simplify the expression \$ 2((3x-8y)^2 + (5x+4y)^2) \$	A) \$ 68x^2+160y^2-16xy \$ B) \$ 68x^2+160y^2-64y \$ C) \$ 68x^2+160y^2+16xy \$ D) \$ 64x^2+160y^2+16xy \$

Problem Id

Problem

Options

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

A) \$ 320x^3y+200xy^3 \$

B) \$ 32x^3y+20xy^3 \$

C) \$ 320x^3y+2000xy^3 \$

D) \$ 160x^3y+200xy^3 \$

Simplify the expression
\$ (7x + 6y)^4 - (7x - 6y)^4 \$

A) \$ 16424x^3y+12096xy^3 \$

B) \$ 12464x^3y+12496xy^3 \$

C) \$ 16464x^3y+12096xy^3 \$

D) \$ 16464x^2y+12096xy^2 \$

Simplify the expression
\$ (x+1)^2 + 3x^2 + 2x \$

A) \$ 4x^2+4x+1 \$

B) \$ 2x^2+2x+1 \$

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

D) \$ x^2-4x+2 \$

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

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

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

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

D) \$ 4x^2-4x+5 \$

Simplify the expression
\$ 2((3x-8y)^2 + (5x+4y)^2) \$

A) \$ 68x^2+160y^2-16xy \$

B) \$ 68x^2+160y^2-64y \$

C) \$ 68x^2+160y^2+16xy \$

D) \$ 64x^2+160y^2+16xy \$