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Step-5

Title: Determine the value of an expression

Grade: 7-b Lesson: S3-L4

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Steps	Problem	Solution
1	Determine the value of an expression at \$x = -2 & y = 1 & z = 3 \$	\$ xyz \$
2	Now substitute the values of a,b and c in the expression	\$ (-2)(1)(3) \$
3	After multiplication	\$ -6 \$
4	Answer	B : \$ -6 \$

Steps

Problem

Solution

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

\$ xyz \$

Now substitute the values of a,b and c in the expression

\$ (-2)(1)(3) \$

After multiplication

\$ -6 \$

Answer

B : \$ -6 \$