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Title: Substitute the varible value in square form of the expression

Grade: 8-a Lesson: S2-L2

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

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Determine the value of an expression when x = \$1/2\$, y = \$3/2\$, z = 2 \$ x^2 + y^2 + z^2 \$
2	Step	Now substitute x,y,z values in expression	\$ 1/4 + 9/4 + 4 \$
3	Hint	Taking LCM as 4
4	Step	After simplification	\$ (1 + 9 + 16)/4 \$
5	Step	After adding	\$ \cancel26^13/\cancel4^2\$
6	Step	After cancellation	\$ 13/2\$
7		Answer	B

Step

Type

Explanation

Answer

Problem

Determine the value of an expression when x = \$1/2\$, y = \$3/2\$, z = 2
\$ x^2 + y^2 + z^2 \$

Step

Now substitute x,y,z values in expression

\$ 1/4 + 9/4 + 4 \$

Hint

Taking LCM as 4

Step

After simplification

\$ (1 + 9 + 16)/4 \$

Step

After adding

\$ \cancel26^13/\cancel4^2\$

Step

After cancellation

\$ 13/2\$

Answer