SaiBook.us Algebra

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

Register Enroll

Step-4

Title: Determine the value of an expression

Grade: 7-b Lesson: S3-L6

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 \$m = 3\$ & \$n = - 3\$	\$ m^2 + n^2 + 1 \$
2	Now substitute the values \$m = 3\$ & \$n = - 3\$ in the expression	\$ (3)^2 + (-3)^2 + 1 \$
3	After simplification	\$ 9 + 9 + 1 \$
4	After Addition	\$ 19 \$
5	Answer	C : \$ 19 \$

Steps

Problem

Solution

Determine the value of an expression at
\$m = 3\$ & \$n = - 3\$

\$ m^2 + n^2 + 1 \$

Now substitute the values \$m = 3\$ & \$n = - 3\$ in the expression

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

After simplification

\$ 9 + 9 + 1 \$

After Addition

\$ 19 \$

Answer

C : \$ 19 \$