Review of Algebra

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CCSS.HSA.CED.A.3

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CCSS.6.EE.C.9

Match the following situations with the correct algebraic expression.

• Brandon ran 12 times as much he walked.

• Gavin walked 12 miles less than he ran.

• Esther walked and ran a total of 12 miles.

• Karla ran 12 miles less than she walked.

• Grayson walked 12 times as much as he ran.

Tags

CCSS.6.EE.C.9

A university will spend $4,500 to buy monitors and keyboards for a computer lab. Each monitor will cost $250, and each keyboard will cost $50.

 

Which equation represents x, the number of monitors, and y, the number of keyboards, the university can buy for the computer lab?

Tags

CCSS.HSA.CED.A.3

Tags

CCSS.6.EE.C.9

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CCSS.8.EE.C.8C

Josh is thinking of two numbers. Their sum is -10 and their difference is -2. Which system of equations represents the situation?

• x - y = -10
  x + y = -2

• x = -2
  y = 5

• x + y = -2
  x - y = -10

• x + y = -10
  x - y = -2

Tags

CCSS.HSA.CED.A.3

Copland competes in 27 swimming events this season. He wins either first place or second place in each event. Copland has 3 more first-place wins than second-place wins. Which system of equations represents this story?

Tags

CCSS.8.EE.C.8C

There are 47 people attending a play at an outdoor theater. There are 11 groups of people sitting in groups of 3 or 5. Which system of equations best represents this story?

Tags

CCSS.HSA.CED.A.3