SaiBook.us Algebra

Home Course Section Lessons: L1 L2 L3 L4 L5 L6 L7 L8 L9 L10

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Determine the value of an expression

Grade: 7-b Lesson: S3-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	Question	Problem	Options
1	Determine the value of an expression at \$x = -2\$ & \$y = 3 \$	\$ xy - 1/(xy) \$	A) \$ -6 \$ B) \$ -37/6 \$ C) \$ -35/6 \$ D) \$ -18 \$
2	Determine the value of an expression at \$m = 1/5\$ & \$n = 5/4\$	\$ mn - 1/(mn) \$	A) \$ -15/4 \$ B) \$ -17/4 \$ C) \$ -19/4 \$ D) \$ 15/4 \$
3	Determine the value of an expression at \$x = 1/2\$ & \$y = -3 \$	\$ 1/(xy) - xy \$	A) \$ 7/6 \$ B) \$ -5/6 \$ C) \$ -1/6 \$ D) \$ 5/6 \$
4	Determine the value of an expression at \$x= 0.6\$ & \$y = 0.2 \$	\$ xy - 1/(xy) \$	A) \$ 8.22 \$ B) \$ -8.21 \$ C) \$ -8.22 \$ D) \$ -8.24 \$
5	Determine the value of an expression at \$x = 3/2\$ & \$y = 6/2 \$	\$ xy + 1/(xy) \$	A) \$ 83/18 \$ B) \$ 86/18 \$ C) \$ 85/18 \$ D) \$ 82/18 \$

Problem Id

Question

Problem

Options

Determine the value of an expression at
\$x = -2\$ & \$y = 3 \$

\$ xy - 1/(xy) \$

A) \$ -6 \$

B) \$ -37/6 \$

C) \$ -35/6 \$

D) \$ -18 \$

Determine the value of an expression at
\$m = 1/5\$ & \$n = 5/4\$

\$ mn - 1/(mn) \$

A) \$ -15/4 \$

B) \$ -17/4 \$

C) \$ -19/4 \$

D) \$ 15/4 \$

Determine the value of an expression at
\$x = 1/2\$ & \$y = -3 \$

\$ 1/(xy) - xy \$

A) \$ 7/6 \$

B) \$ -5/6 \$

C) \$ -1/6 \$

D) \$ 5/6 \$

Determine the value of an expression at
\$x= 0.6\$ & \$y = 0.2 \$

\$ xy - 1/(xy) \$

A) \$ 8.22 \$

B) \$ -8.21 \$

C) \$ -8.22 \$

D) \$ -8.24 \$

Determine the value of an expression at
\$x = 3/2\$ & \$y = 6/2 \$

\$ xy + 1/(xy) \$

A) \$ 83/18 \$

B) \$ 86/18 \$

C) \$ 85/18 \$

D) \$ 82/18 \$