NC Math I EOC Calculator Inactive Review

• The shoreline is reduced by 0.5 foot every 10 years.

• The shoreline is increased by 0.5 foot every 10 years.

• The shoreline is reduced by 26 feet every 10 years.

• The shoreline is increased by 26 feet every 10 years.

Answer explanation

The slope is -0.5 since it is negative that tells you it is reduced.

Tags

NC.M1.S-ID.7

Using the graph. Which statement is true about the function on the interval -7 < x < -4 ?

• The function is negative and decreasing on the interval.

• The function is negative and increasing on the interval.

• The function is positive and decreasing on the interval.

• The function is positive and increasing on the interval.

Answer explanation

-7 < x < -4 goes down from left to right meaning decreasing and is above the x-axis meaning positive

Tags

NC.M1.F-IF.4

• The volume of a cube doubles when its edge length doubles.

• The volume of a cube increases by a factor of 4 when its edge length doubles.

• The volume of a cube increases by a factor of 6 when its edge length doubles.

• The volume of a cube increases by a factor of 8 when its edge length doubles.

Answer explanation

(2x)^3 = 8x^3

Therefore increasing by a factor of 8

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NC.M1.F-IF.2

Mathematical Equivalence

ON

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NC.M1.F-IF.2

What is the hourly rate (in dollars) that the company charges to rent a scooter?

Mathematical Equivalence

ON

Answer explanation

Find the slope.

Tags

NC.M1.F-IF.4

If Phyllis rents skates for 3 hours, how much cheaper would figure skates be than hockey skates?

Mathematical Equivalence

ON

Answer explanation

f(3)=6.50

h(3)=7.50

7.50-6.50=1

Tags

NC.M1.F-IF.2

What is the initial fee, in dollars, that the company charges to rent a bicycle?

Mathematical Equivalence

ON

Answer explanation

Find slope which is 3, then work backwards from 2 hours to zero hours.

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NC.M1.F-IF.4

• 
• 
• 
• 

Answer explanation

a=180 r=1.2%=0.012

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NC.M1.F-BF.1.a

• all integer values of x

• all positive integer values of x

• 0<x<2 where x is an integer

• 0<x<3 where x is an integer

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NC.M1.F-IF.5

• t=16

• t=2

• t=1

• t=0

Answer explanation

Set equal to zero and solve by factoring.

Tags

NC.M1.F-IF.8.a