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

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Presentation transcript:

8 th Grade Ciphering

Sample 1 st Interval2 nd Interval3 rd Interval

Sample Answer

1-1 Solve.

1-1 Answer

1-2 Chris 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 st Interval2 nd Interval3 rd Interval

1-2 Answer 20 quarters

1-3 Consider the arithmetic sequence 3,-10,-23,-36,… Find the 15 th term in the sequence. 1 st Interval2 nd Interval3 rd Interval

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 st Interval2 nd Interval3 rd Interval

1-4 Answer

1-5 Simplify the expression. 1 st Interval2 nd Interval3 rd Interval

1-5 Answer

Extra 1 Solve. 1 st Interval2 nd Interval3 rd Interval

Extra Answer h = 40

2-1 Solve. 1 st Interval2 nd Interval3 rd Interval

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? 1 st Interval2 nd Interval3 rd Interval

2-2 Answer $22.10

2-3 1 st Interval2 nd Interval3 rd Interval

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 Simplify. 1 st Interval2 nd Interval3 rd Interval

2-5 Answer 8

Extra 2 Solve. 1 st Interval2 nd Interval3 rd Interval

Extra 2 Answer r = 2

3 rd Cipherer

3-1 Solve. 1 st Interval2 nd Interval3 rd Interval

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. 1 st Interval2 nd Interval3 rd Interval

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? 1 st Interval2 nd Interval3 rd Interval

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? 1 st Interval2 nd Interval3 rd Interval

3-4 Answer 8 minutes 20 seconds

3-5 Solve. 1 st Interval2 nd Interval3 rd Interval

3-5 Answer 8

Extra 3 Solve. 1 st Interval2 nd Interval3 rd Interval

Extra 3 Answer h = 17

4 th Cipherer

4-1 Solve. 1 st Interval2 nd Interval3 rd Interval

4-1 Answer k = 25

4-2 Find the sum of the x and y-intercepts for 4x – 14y = st Interval2 nd Interval3 rd Interval

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. 1 st Interval2 nd Interval3 rd Interval

4-3 Answer 180 feet

4-4 What is the point of intersection between 4x + 7y = -80 and 3x + 5y = -58? 1 st Interval2 nd Interval3 rd Interval

4-4 Answer (-6,-8)

4-5 Find the eleventh term of the geometric sequence 3, -6, 12, -24, … 1 st Interval2 nd Interval3 rd Interval

4-5 Answer 3072

Extra 4 Solve.

Extra 4 Answer k = 11