Keystone Algebra

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Tags

CCSS.8.EE.C.8C

**Remember the difference between a DASHED and SOLID boundary line!

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Tags

CCSS.HSA.REI.D.12

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Three monomials are shown below. Which is the least common multiple (LCM) of all three monomials?

Jason is solving the equation shown below. 3x+(-8x+9)=29 This was his first step: (3x-8x)+9=28 Which property did Jason use for the first step?

• Distributive Property

• Associative Property

• Commutative Property

• Additive Inverse Property

Tags

CCSS.HSA.REI.A.1

Michael rented a car for one day at a daily rate of $42. He also had to pay $0.55 per mile driven, but there were no other fees. If Michael return the car at the end of day and paid $114.60, how many miles did he drive?

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Tags

CCSS.7.EE.B.4A

A polynomial expression is shown below. Once the polynomial is simplified, what will be the coefficient of the x^2 term?

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• 28

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Tags

CCSS.7.EE.A.1

Kelsey bought x shirts and y pants. She spent a total of $120. The equation below shows the relationship between the number of shirts and the number of pants purchased. 15x+30y=120 The ordered pair (4,2) is the solution to the equation. What does the solution represent?

• Kelsey bought 4 pairs of pants and 2 shirts

• Kelsey bought 15 shirts and 30 pairs of pants.

• Kelsey bought 4 shirts and 2 pairs of pants.

• Kelsey paid $4 for a shirt and $2 for a pair of pants.

What is the greatest common factor (GCF) of all three monomials?

Paul has 100 coins in a jar, and they are all dimes or nickels. Their total is $8.10. The system below represents this situation. d + n = 100 0.1d + 0.05 n = 8.10 How many dimes, d, does Paul have in his jar?

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• 62

Tags

CCSS.8.EE.C.8C