NCM1 Check In #1 Review 3/22/24

Tags

CCSS.HSA.APR.A.1

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CCSS.HSA.APR.B.3

Which inequality represents the graph?

• y < x/5 - 3/2

• y ≥ -5/2x + 3

• 2x - 3y < 12

• y < -2/3x + 4

Tags

CCSS.HSA.REI.D.12

(7y + 4)(8y + 2)

• 58y² + 48y + 6  
• 65y² + 64y + 8  
• 56y² + 46y + 8  
• 56y⁸ + 46y - 8  

Tags

CCSS.HSA.APR.A.1

On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50.  It turns out that the doughnuts were more popular than the coffee.  On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25.  Which equations could be used to determine the cost of the coffee? 

• 10c + 5d = 14.25
  5c + 10d = 16.50
• 10c + 5d = 16.50
  5c + 10d = 14.25
• c + d = 10
  5c + 10d = 16.50
• c + d = 5
  5c + 10d = 16.50

Tags

CCSS.8.EE.C.8C

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. What is the initial value in this scenario?

• $15

• $2

• Not enough information is given

Answer explanation

The initial value is a value present in the scenario that isn't part of the rate involved (often times some initial/starting value).

EXAMPLE: base of the cup in stacking cups, toothpick we built off of in toothpick patterns.

Tags

CCSS.HSF.LE.B.5

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

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CCSS.HSF.IF.A.2

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CCSS.HSA.CED.A.4

Factor completely: x²+16x+64

• (x+4)(x+16)
• (x-8)(x-8)
• (x+2)(x+32)
• (x+8)(x+8)

Tags

CCSS.HSA.APR.C.4

Find the factors of 5x²+20x+20

• 5(x+2)(x+2)
• 5(x-2)(x-2)
• 5(x+2)(x-2)
• (5x+2)(x+2)