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Quiz Discussion

Title: Substitute the fractions in the expressions

Grade: 7-a Lesson: S2-L4

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	Determine the value of an expression when x = -2 \$ 8/(x^2) - 10 \$	A) - 9 B) -8 C) 3 D) 7
Steps 2	Determine the value of an expression when a = -1 \$ -7/(a^2) - 5a \$	A) -2 B) -1 C) 5 D) -15
Steps 3	Determine the value of an expression when b = \$ 1/3 \$ \$ 11b^2 - 2b \$	A) \$ 1/5 \$ B) \$ 1/4 \$ C) \$ 5/9 \$ D) \$ 5/7 \$
Steps 4	Determine the value of an expression when \$m = -1/2\$ \$ (12m^2)/5 - 4 \$	A) \$ 13/7 \$ B) \$ -11/5 \$ C) \$ 10/7 \$ D) \$ -17/5 \$
Steps 5	Determine the value of an expression when n = -3 \$ (9n^2)/3 - 2n \$	A) \$ 35 \$ B) \$ 34 \$ C) \$ 23 \$ D) \$ 33 \$

Problem Id

Problem

Options

Steps 1

Determine the value of an expression
when x = -2
\$ 8/(x^2) - 10 \$

A) - 9

B) -8

C) 3

D) 7

Determine the value of an expression
when a = -1
\$ -7/(a^2) - 5a \$

A) -2