Writing Systems of Equations from Word Problems

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What is a system of equations?

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A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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How do you represent the cost of items in a system of equations?

Back

You can represent the cost of items by defining variables for each item and writing equations based on the total cost.

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What does the variable 't' represent in the taco and milk problem?

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In the taco and milk problem, 't' represents the cost of each taco.

Tags

CCSS.8.EE.C.7B

Front

What does the variable 'm' represent in the taco and milk problem?

Back

In the taco and milk problem, 'm' represents the cost of each glass of milk.

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How do you express the perimeter of a rectangle in terms of length and width?

Back

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CCSS.8.EE.C.7B

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What is the relationship between length and width in the playground problem?

Back

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CCSS.6.EE.C.9

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How do you set up a system of equations for Sarah's lawn mowing problem?

Back

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CCSS.8.EE.C.8C

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Back

This equation represents the total number of animals, where h is the number of horses and c is the number of chickens.

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Back

This equation represents the total number of legs, where each horse has 4 legs and each chicken has 2 legs.

Tags

CCSS.8.EE.C.8C

Front

How do you express the sum of two numbers in a system of equations?

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CCSS.HSA.CED.A.3