Simplify the Polynomial by Combining Like Terms $$- 9 x y + 8 y ^ { 2 } - 2 x y + 8 x ^ { 2 }$$

question 263

Multiple Choice

Simplify the polynomial by combining like terms.
- $$- 9 x y + 8 y ^ { 2 } - 2 x y + 8 x ^ { 2 }$$

• A) \(- 11 x y + 64 x ^ { 2 } y ^ { 2 }\)
• B) \(18 x y + 64 x ^ { 2 } y ^ { 2 }\)
• C) \(8 x ^ { 2 } - 11 x y + 8 y ^ { 2 }\)
• D) \(5 x ^ { 2 } + 5 x y + 5 y ^ { 2 }\)

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Definitions:

High-Low Method

A technique used in cost accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.

Variable Costs

Costs that vary directly with the level of production or sales volume, such as raw materials and labor.

Fixed Costs

Expenses that do not change with the level of production or business activity, such as rent or salaries.