SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Simplify the expression

Grade: 8-a Lesson: S1-L7

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 \$ (13a+15b+6/c^2) - (9a-9b+9/c^2) \$	A) \$ 4a - 24b - 3/c^2 \$ B) \$ - 4a - 12b - 3/c^2 \$ C) \$ 4a + 24b - 3/c^2 \$ D) \$ 3a - 4b + 3/c^2 \$
2	Simplify the expression \$ (7/a^2-16b+11/c^2) + (-5/a^2-11b+7/c^2) \$	A) \$ 2/a^2 - 5b + 9/c^2 \$ B) \$ - 5/a^2 - 5b + 2/c^2 \$ C) \$ 2/a^2 + 5b - 12/c^2 \$ D) \$ 2/a^2 - 5b + 18/c^2 \$
3	Simplify the expression \$ (-1/a-4/b^2-3/c) + (1/a+3/b^2-1/c) \$	A) \$ 1/b^2 - 4/c \$ B) \$ - 7/b^2 + 4/c \$ C) \$ - 1/b^2 - 4/c \$ D) \$ 7/b^2 + 2/c \$
4	Simplify the expression \$ (9/a^2+5/b^2-6/c^2) - (-3/a^2+1/b^2-4/c^2) \$	A) \$ 2/a^2 + 2/b^2 - 1/c^2 \$ B) \$ 12/a^2 + 4/b^2 - 2/c^2 \$ C) \$ 6/a^2 - 4/b^2 - 2/c^2 \$ D) \$ 2/a^2 - 4/b^2 + 12/c^2 \$
5	Simplify the expression \$ (-3/a^2-25b-8c^2) - (-3/a^2+19b-7c^2) \$	A) \$ - 6/a^2 - 44b - c^2 \$ B) \$ 6/a^2 - 44b + c^2 \$ C) \$ 44b + c^2 \$ D) \$ -44b - c^2 \$

Problem Id

Problem

Options

Simplify the expression
\$ (13a+15b+6/c^2) - (9a-9b+9/c^2) \$

A) \$ 4a - 24b - 3/c^2 \$

B) \$ - 4a - 12b - 3/c^2 \$

C) \$ 4a + 24b - 3/c^2 \$

D) \$ 3a - 4b + 3/c^2 \$

Simplify the expression
\$ (7/a^2-16b+11/c^2) + (-5/a^2-11b+7/c^2) \$

A) \$ 2/a^2 - 5b + 9/c^2 \$

B) \$ - 5/a^2 - 5b + 2/c^2 \$

C) \$ 2/a^2 + 5b - 12/c^2 \$

D) \$ 2/a^2 - 5b + 18/c^2 \$

Simplify the expression
\$ (-1/a-4/b^2-3/c) + (1/a+3/b^2-1/c) \$

A) \$ 1/b^2 - 4/c \$

B) \$ - 7/b^2 + 4/c \$

C) \$ - 1/b^2 - 4/c \$

D) \$ 7/b^2 + 2/c \$

Simplify the expression
\$ (9/a^2+5/b^2-6/c^2) - (-3/a^2+1/b^2-4/c^2) \$

A) \$ 2/a^2 + 2/b^2 - 1/c^2 \$

B) \$ 12/a^2 + 4/b^2 - 2/c^2 \$

C) \$ 6/a^2 - 4/b^2 - 2/c^2 \$

D) \$ 2/a^2 - 4/b^2 + 12/c^2 \$

Simplify the expression
\$ (-3/a^2-25b-8c^2) - (-3/a^2+19b-7c^2) \$

A) \$ - 6/a^2 - 44b - c^2 \$

B) \$ 6/a^2 - 44b + c^2 \$

C) \$ 44b + c^2 \$

D) \$ -44b - c^2 \$