Cougar Competition #4

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Back

38

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CCSS.6.EE.A.1

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Back

39

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CCSS.6.EE.A.2C

Front

Solve the system of equations: 2x + 3y = 12 and x - y = 3

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(6, 3)

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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Solve the system of equations: 2x + 4y = 8 and 4x + 8y = 16

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Infinite solutions

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CCSS.8.EE.C.8B

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Solve the system of equations: 2x + 3y = 6 and 2x + 3y = 12

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No solution

Tags

CCSS.8.EE.C.8B

Front

If Jenna sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56, what is the price of 1 pack of sugar cookies if Maggie sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60?

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Sugar Cookies $4, Oatmeal Cookies $8

Tags

CCSS.8.EE.C.8C

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What is the order of operations in mathematics?

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Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - PEMDAS.

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CCSS.7.NS.A.3

Front

Define a system of equations.

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A set of two or more equations with the same variables.

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CCSS.HSA.REI.C.8

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What does it mean if a system of equations has no solution?

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It means that the equations represent parallel lines that never intersect.

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CCSS.8.EE.C.8A

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What does it mean if a system of equations has infinite solutions?

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It means that the equations represent the same line, so every point on the line is a solution.

Tags

CCSS.8.EE.C.8A