algebra units 3-7

rational and irrational

100

what is a irrational number 

 real number that cannot be expressed as a fraction of two integers

200

find the irrational number

.125,7,0.3,\12}

\12}

300

find the rational number 

1234567, 0.0222223, 9/7, 24x

9/7

400

select two that's irrational 

0.002234...., 19.525305, 1233456.6, 60/42,12x

19.525305,60/42

500

find the mean of

-100,140,115,130,123

10.6

Median

100

what are Arithmetic Sequence?

is an ordered set of numbers in which the difference between consecutive terms is constant.

200

find the median of 

3,9,0,5,4,1

3.5

300

find the median of

9,0,1,3,4,5,6,8,10

5.5

400

find the median of 

-10,-26,-23-35,10,-13,0,19,32

-35

500

find the median of

12,24,12,34,40,49,52,57,98

40

solve for x

100

how do you find mode

by finding the number that repeats the most

200

what is mode

1,4,6,2,3,9,1,3,1

1 & 3

300

9,1,4,7,8,5,6,0,1,4,7,6,4,10

4

400

what is the mode

1,1,2,2,3,3,4,4,5,5

no mode

500

1,1,2,2,3,3,4,4,5

1 2 3 4

Exponential

100

what are exponential word problems?

grows or decays 

200

what is the range

1,9,2,3,8,10,2

9

300

what is the range

8,3,4,5,7,0,8,2,0,8,7,6,8,9,7,1

9

400

what is the range

9,1,2,8,3,7,4,6,0,1,2,3,7,8,4,8,-5,14

29

500

what is the range

99 134 100 201 146 150

102

IQR

100

How can you find Measures of Center?

Mean average and the median

200

find the IQR

10,23,14,19,21,27,25,13,29

Q1:9

Q2:6

300

find the IQR

38,13,25,18,34,16,28,30,23,9,39

Q1:14

Q2:11

400

find the IQR
129,124,112,100,118,108,115,97

Q1:11

Q2:22

500

find the IQR

12,63,78,58,65,65,69,64

Q1:60.5

Q2:67