8 th Grade Ciphering. Sample 1 st Interval2 nd Interval3 rd Interval.

8th Grade

Ciphering

Sample

1st Interval 2nd Interval 3rd Interval

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Sample Answer

1-1

152

94

51 x

Solve.

1-1 Answer

43-x

1-2Chris saved twice the number of quarters that Nora saved plus six. The number of quarters that Chris saved is also five times the difference of the number of quarters and three that Nora has saved. How many quarters did Chris save?


1-2 Answer

20 quarters

1-3

Consider the arithmetic sequence3,-10,-23,-36,…Find the 15th term in the sequence.


1-3 Answer

-179

1-4

Write an equation in slope-intercept form for the line that passes through (-4,-5) and is perpendicular to -4x+5y=-6.


1-4 Answer

1045- y x

1-5

Simplify the expression.

xyzzxyyx 4332

225


1-5 Answer

4128800 zyx

Extra 1

21110 hSolve.


Extra Answer

h = 40

2-1

122

31

52

mmSolve.


2-1 Answer

m=15

2-2

Tickets to the county fair are $8 for an adult and $5 for a

child. If you have a 15% discount card, how much will

2 adult tickets and 2 child tickets cost?


2-2 Answer

$22.10

2-3

Line passes through (-9,4) 4with a slope of . 7

Write an equation for line in standard form.

d

d


2-3 Answer

4x-7y=-64

2-4

Jake bought a one-month membership to a fitness center for $35. Each time he goes, he rents a locker for $0.25. If he spent $40.50 at the fitness center last month, how many days did he go?

2-4 Answer

22 days

2-5

83

256Simplify.


2-5 Answer

8

Extra 2

7327 rSolve.


Extra 2 Answer

r = 2

3rd Cipherer

3-1

4231162

91

mm

Solve.


3-1 Answer

m=-7

3-2

Find three consecutive integers such that three times the sum of the first two integers is the same as thirteen more than four times the third integer.


3-2 Answer

9,10,11

3-3

If the line through (-2,4) and (5,d) is parallel to y = 3x + 4, what is the value of d?


3-3 Answer

3-4

Carmen wants to run 5 miles at an average pace of 9 minutes per mile. After 4 miles, her average pace is 9 minutes 10 seconds. What pace (in minutes and seconds) must she complete her final mile to reach her goal?


3-4 Answer

8 minutes 20 seconds

3-5

12966 4 x

Solve.


3-5 Answer

8

Extra 3

325 hSolve.


Extra 3 Answer

h = 17

4th Cipherer

4-1

15543

k

Solve.


4-1 Answer

k = 25

4-2

Find the sum of the x and y-intercepts for 4x – 14y = 28.


4-2 Answer

5

4-3

A hot air balloon was at a height of 60 feet above the ground when it began to ascend. The balloon climbed at a rate of 15 feet per minute. What was the height of the balloon after climbing for 8 minutes.


4-3 Answer

180 feet

4-4

What is the point of intersection between 4x + 7y = -80 and 3x + 5y = -58?


4-4 Answer

(-6,-8)

4-5

Find the eleventh term of the geometric sequence 3, -6, 12, -24, …


4-5 Answer

3072

Extra 4

237 kSolve.

Extra 4 Answer

k = 11

8 th Grade Ciphering. Sample 1 st Interval2 nd Interval3 rd Interval.

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