Math stuff

Geometry

100

Find the area of the rectangle which has a length and height of 4 and 6

24

200

Find the perimeter of a square that has a side of 2

8

300

The parallel sides of a trapezoid is 6 and 7, with a height of 4

Find the area

26

400

The area of a triangle is: (base x height) /2

Why do we have to divide product of the base and height by 2?

The area of a rhombus is (base * height). The triangle is half of a rhombus, therefore we divide it by two. 

500

What is the formula for the surface area of a cone?

(Pi * r²) + (Pi * r * slant height)

Inequalities

100

9x>81

x>9

200

7x+3<52

x<7

300

-6+8x-9<49

x<8

400

88-88+88-176+(88+88)-7x<98

x>-14

500

125x+838>1838+125

x>9

Mean stuff

100

1,2,3,4

What is the mean

2.5

200

1,2,3,4,5,6,7

What is the median

4

300

1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3

What is the mode

3

400

1,2,3,4,5 

What is the MAD (Mean Absolute Deviation) 

1.2

500

1,1,2,2,3,3,4,4,5,5,6

What is the IQR (InterQuartile Range)

3

*2 questions

100

What is 10 to its –2th power?

0.01

200

What is the length of an arc that has an angle of 90 degrees and a radius of 2?

Pi

300

WHat is the degree sum of the interior angles of a regular octagon?  

1080

400

What is the angle of an arc that has a length of 3 pie and a radius of 4?

135 degrees

500

Which direction does the parabola open in the equation

y=5(x-3)+6

Up