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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Simplify the expression using two variable values x,y

Grade: 7-a Lesson: S2-L6

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

Evaluate the expression
when x = 1, y = 2
\$ y - 2xy + 9 - 3x - 4y \$

A) \$ 18 \$

B) \$ -8 \$

C) \$ -4 \$

D) \$ -15 \$

Steps 2

Evaluate the expression
when x = 2, y = 3
\$ x^2 - 3xy + 7 - 2x + 5y \$

A) \$ 4 \$

B) \$ -3 \$

C) \$ 5 \$

D) \$ -15 \$

Steps 3

Evaluate the expression
when x = 4, y = 2
\$ -y^2 - x^2 + 6x + 3y \$

A) \$ 9 \$

B) \$ 4 \$

C) \$ 10 \$

D) \$ 7 \$

Steps 4

Evaluate the expression
when x = 1, y = 5
\$ x^3 - 3y + 10 - 2y + 5y \$

A) \$ 13 \$

B) \$ -19 \$

C) \$ 17 \$

D) \$ 11 \$

Steps 5

Evaluate the expression
when x = 3, y = 1
\$ x^2 - y^3 - 3y + 7x - 12 \$

A) \$ -5 \$

B) \$ 14 \$

C) \$ -4 \$

D) \$ 19 \$

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