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31 Cards in this Set
 Front
 Back
parallelogram area?

a*h


ellipse area?

(π)ab


trapezoid area?

(1/2)h*(b+a)


cube volume?

s³


rectangular prism volume?

a*b*c


cylinder volume?

πr²h


pyramid volume?

(1/3)bh


cone volume?

(1/3)π(r²)h


sphere volume?

(4/3)π(r³)


ellipsoid volume?

(4/3)π*r1*r2*r3


cube surface area?

6s²


rectangular prism surface area?

2(ab)+ 2(ac) +2(bc)


sphere surface area?

4πr²


in a 454590 right triangle what are side lengths

x, x, and x√2


in a 306090 right triangle what are the side lengths

x, x√3 and 2x


if A is area of equilateral triangle with sides s, what is area of A

A= (s²√3)¼


what are 2 triangle inequality theorems?

a+b>c and ab<c


what is the sum of all four angles of parallelogram?

360 degrees


what is properties of parallelograms

opposite sides are equal
opposite angles are equal adjacent angles add up to 180 degrees the diagonals bisect each other 

what is the formula for the length of an arc in x degrees?

(x/360)(2πr)


what is formula for the area of a sector formed by an arc?

(x/360)(πr²)


what is equation for the nth term of arithmetic sequence whose common difference is d?

A(n)= A(1) + (n1)d


what is equation for the nth term of geometric sequence whose common ratio is r?

A(n)= A(1)r^(n1)


for systems of linear equations like what is xy if 2x+y=10 and xy=2 what do u do?

add or subtract the equations (xy=8)


for solving something w/ variable in denominator what do u do

multiply all terms by variable to get variable out of denominator


is one a prime number

no


is 0 an even integer?

yes


what are sets?

collections of elements or members


what is a union of sets and what is the symbol?

a union of sets consists of all elements in A and B
symbol is U so AUB 

what is intersection of sets and what is the symbol?

a set consisting of only elements that are in both A and B sets
symbol is backwards U (П) so AПB 

what is solution set?

set of numbers that satisfies the equation
