System of Linear Equations in Three Variables

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Understanding Test

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ngganiyatur rochmah

Indonesia

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Froggy Jumps System of Linear Equations in Three VariablesVersión en línea Understanding Test por ngganiyatur rochmah 1 What is the purpose of solving a system of linear equations in three variables? a Calculate the determinant only b Composing new equations c Find the values of all variables that satisfy all equations 2 What is the common method for solving a system of three variables? a cross multiplication method b Gaussian elimination c additive method 3 One of the common steps to solve for three variables is? a adding equations without solving b multiplying the equation to change the variable c using step-by-step elimination to cancel out variables 4 During the school break, three children went to the cafeteria. One of them, Ani, bought two loaves of bread, three candies, and one ice cream cone for Rp 10,000. What is the correct mathematical model for the following statement? a 2𝑥 + 3𝑦 + 𝑧 = 10.000 b 3𝑥 + 2𝑦 + 2𝑧 = 12.000 c 𝑥 + 5𝑦 + 𝑧 = 11.000 5 Besides Ani, there was also another child, Beni, who went to the canteen. He bought 3 loaves of bread, 2 candies, and 2 popsicles for Rp 12,000. Which mathematical model is appropriate for the following statement? a 3𝑥 + 3𝑦 + 𝑧 = 12.000 b 3𝑥 + 𝑦 + 2𝑧 = 12.000 c 3𝑥 + 2𝑦 + 2𝑧 = 12.000 6 Besides Ani and Beni, Cantika also went to the canteen. She bought 1 loaf of bread, 5 candies, and 1 popsicle for Rp 11,000. Which mathematical model is appropriate for the following statement? a 𝑥 + 5𝑦 + 2𝑧 = 11.000 b 𝑥 + 5𝑦 + 𝑧 = 11.000 c 2𝑥 + 𝑦 + 5𝑧 = 11.000 7 Based on the three previous models, how much does 1 loaf of bread cost in the canteen? a 2.000 b 3.000 c 1.500 8 Based on the three previous models, how much does 1 candy cost sold in the canteen? a 3.000 b 2.000 c 1.500 9 Based on the three previous models, how much does 1 popsicle cost sold in the canteen? a 1.500 b 2.000 c 3.000 10 If you want to buy 1 bread, 1 candy, and 1 popsicle, how much do you have to pay? a 4.000 b 5.000 c 6.000

Froggy Jumps

System of Linear Equations in Three VariablesVersión en línea

Understanding Test

por ngganiyatur rochmah

What is the purpose of solving a system of linear equations in three variables?

Calculate the determinant only

Composing new equations

Find the values of all variables that satisfy all equations

What is the common method for solving a system of three variables?

cross multiplication method

Gaussian elimination

additive method

One of the common steps to solve for three variables is?

adding equations without solving

multiplying the equation to change the variable

using step-by-step elimination to cancel out variables

During the school break, three children went to the cafeteria. One of them, Ani, bought two loaves of bread, three candies, and one ice cream cone for Rp 10,000. What is the correct mathematical model for the following statement?

2𝑥 + 3𝑦 + 𝑧 = 10.000

3𝑥 + 2𝑦 + 2𝑧 = 12.000

𝑥 + 5𝑦 + 𝑧 = 11.000

Besides Ani, there was also another child, Beni, who went to the canteen. He bought 3 loaves of bread, 2 candies, and 2 popsicles for Rp 12,000. Which mathematical model is appropriate for the following statement?

3𝑥 + 3𝑦 + 𝑧 = 12.000

3𝑥 + 𝑦 + 2𝑧 = 12.000

3𝑥 + 2𝑦 + 2𝑧 = 12.000

Besides Ani and Beni, Cantika also went to the canteen. She bought 1 loaf of bread, 5 candies, and 1 popsicle for Rp 11,000. Which mathematical model is appropriate for the following statement?

𝑥 + 5𝑦 + 2𝑧 = 11.000

𝑥 + 5𝑦 + 𝑧 = 11.000

2𝑥 + 𝑦 + 5𝑧 = 11.000

Based on the three previous models, how much does 1 loaf of bread cost in the canteen?

2.000

3.000

1.500

Based on the three previous models, how much does 1 candy cost sold in the canteen?

3.000

2.000

1.500

Based on the three previous models, how much does 1 popsicle cost sold in the canteen?

1.500

2.000

3.000

If you want to buy 1 bread, 1 candy, and 1 popsicle, how much do you have to pay?

4.000

5.000

6.000

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System of Linear Equations in Three Variables

Froggy Jumps

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Creada por

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System of Linear Equations in Three VariablesVersión en línea

por ngganiyatur rochmah

What is the purpose of solving a system of linear equations in three variables?

What is the common method for solving a system of three variables?

One of the common steps to solve for three variables is?

During the school break, three children went to the cafeteria. One of them, Ani, bought two loaves of bread, three candies, and one ice cream cone for Rp 10,000. What is the correct mathematical model for the following statement?

Besides Ani, there was also another child, Beni, who went to the canteen. He bought 3 loaves of bread, 2 candies, and 2 popsicles for Rp 12,000. Which mathematical model is appropriate for the following statement?

Besides Ani and Beni, Cantika also went to the canteen. She bought 1 loaf of bread, 5 candies, and 1 popsicle for Rp 11,000. Which mathematical model is appropriate for the following statement?

Based on the three previous models, how much does 1 loaf of bread cost in the canteen?

Based on the three previous models, how much does 1 candy cost sold in the canteen?

Based on the three previous models, how much does 1 popsicle cost sold in the canteen?

If you want to buy 1 bread, 1 candy, and 1 popsicle, how much do you have to pay?

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