SaiBook.us Algebra

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

Register Enroll

Step-2

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 \$x = 10\$ & \$y = 3\$	\$ x^2 + y^2 +1 \$
2	Now substitute the values of \$x = 10\$ & \$y = 3\$ in the expression	\$ (10)^2+(3)^2+1 \$
3	After simplifications	\$ 100 + 9 + 1 \$
4	After Addition	\$ 110 \$
5	Answer	D : \$ 110 \$

Steps

Problem

Solution

Determine the value of an expression at
\$x = 10\$ & \$y = 3\$

\$ x^2 + y^2 +1 \$

Now substitute the values of \$x = 10\$ & \$y = 3\$ in the expression

\$ (10)^2+(3)^2+1 \$

After simplifications

\$ 100 + 9 + 1 \$

After Addition

\$ 110 \$

Answer

D : \$ 110 \$