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54 Cards in this Set
 Front
 Back
x to the 0

1

x to the 1

x

0 to the x

0

1 to the x

1

x to the 2

1/x2

how do you multiply two exponents with the same base?

add the exponents

how do you divide two exponents with the same base?

subtract the exponents

how do you raise one exponent to another?

multiply the exponents

what do you get when you raise a negative number to an even exponent?

a positive number

what do you get when you raise a negative number to an odd exponent?

a negative number

when can you add or subtract roots?

when the number under the radical is the same

how do you multiply or divide roots?

multiply inside and multiply outside

rule of divisibilty for 2

any even number

rule of divisibility for 3

sum of the digits is divisible by 3

rule of divisiblity for 4

if last two digits are divisible by 4

rule of divisibility for 5

ends in 5 or 0

rule of divisibility for 6

if its even and the sum is divisible by 3

rule of divisibility for 8

last three digits divisible by 8

rule of divisibility for 9

sum of digits is divisible by 9

rule of divisibility for 10

ends in 0

When do you reverse the sign of an inequality?

When you multiply or divide by a negative number.

expand(x+y)(xy)

x2  y2

factor x2  y2

(x+y)(xy)

expand (x+y)2

x2 + 2xy + y2

factor x2 + 2xy + y2

(x+y)2

expand (xy)2

x2  2xy + y2

degrees in a straight line

180

degrees in a parallelogram

360

degrees in a triangle

180

degrees in a circle

360

what is fred's theorem?

when a line crosses 2 parallel lines, all big angles are equal, all small angles are equal

area of a parallelogram

a=bh

largest angle of a triangle is...

opposite the largest side

smallest angle of a triangle is...

opposite the smallest side

isosolece triangle has...

2 equal sides w/ 2 equal angles

equalateral triangle has...

3 equal sides w/ 3 equal angles

area of a triangle is...

a=1/2bh

Third side rule of a triangle is...

ab < c < a+b

diameter of a circle

d = 2r

cirumfrence of a circle

c = 2 pie r

area of a circle

a = pi r2

Mean

Average

Median

Middle # or average of two middle #s

Mode

# that appears most frequently in a set

Range

Difference between highest and lowest number

Give the 5 sets of pythagorean triples

3,4,5
6,8,10 60,80,100 5,12,13 7,24,25 
What are the side relationships in a 30:60:90 triange?

30  a
60  a sq.rt. 3 90  2a 
What are the side relationships in a right isosolece triangle?

a, a, a sq.rt. 2

What is the approx value of the square root of 2?

1.4

What is the approx. value of the square root of 3?

1.7

coordinates for the xintercept

(x,0)

coordinates for the yintercept

(0,y)

slope

change in y / change in x

Unpack y=mx+b

y = (slope)x + yintercept
