Solve the System by the Addition Method

question 114

Multiple Choice

Solve the system by the addition method. 3x + 7y = -20
-3x + 6y = -6

• A) (-9, 1)
• B) (5, -5)
• C) (-2, -2)
• D) (4, 1)

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Definitions:

Bushels

A unit of volume that is used primarily in the United States to measure agricultural produce, such as grains, fruits, and nuts.

Pecks

A traditional unit of volume used for dry goods, equivalent to approximately 9 liters or a quarter of a bushel.

Demand Function

A mathematical formula representing the relationship between the quantity of a good consumers are willing to buy and the price of the good, alongside other factors like income and the prices of related goods.

Total Revenue

The total income generated from the sale of goods or services before any costs are subtracted.