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Algebra Regents Review.
Review now.
67
Other
9th Grade
06/08/2009

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Cards

Term
Factorial
Definition
5!= 5*4*3*2*1
Math-->Prb-->!
Term
Scientific Notation
Definition
The first number must be between 1 and 10.
Term

Undefined

 

Definition
When the denominator is set to zero.
Term
FOIL
Definition
-FIRST
-OUTER
-INNER
-LAST
Term

Adding fractions 

 

Definition
Criss, Cross, Hot dog
OR 
Find the greatest common factor by figuring out what multiplies to that number then multiply what those two numbers have in common.
Term
Inequalities
Definition
Change signs ( - )
when multiplying and dividing by a negative
Term
Exponets
Definition
When two numbers are being divided; and contain variables you divide both numbers and subtract exponents
Term
Number of sides of triangle
Definition
Triangle= 3 sides
Term
Slope intercept from
Definition
y = mx + b
m = slope
b = y-intercept
Term
Commutative property
-backwards mirror.
Definition
a + b = b + a
Term
Associative property
-Looks like ass is moving.
Definition
a+(b+c) = (a+b)+c
Term
Identity Property
Definition
a + 0 = a
anything plus zero = itself.
a * 1 = a
anything times one = itself.
Term
Inverse property
Definition
You do the opposite.
Term
Zero property
Definition
a * 0 = 0
-anything times zero is zero.
Term
Degree
Definition
Degree of a monomial = sum of exponents
4x^1 the degree is one.
67777x^5 the degree is five.
Term
Parallel lines
Definition

Slopes are equal. 

 

Term
Perpendicular lines
Definition
slopes are negative reciprocals.
Term
Circumference of circle.
Definition
C= 2πr²
Term
Area of a triangle
Definition
Area of a triangle = 1/2bh
Term
Area of a semi circle
Definition
1/2 [image] r2
Term
Area of a quarter circle
Definition
1/4 [image] r2
Term
Area of a circle
Definition

[image] r2

Term
Pythagorean theorem
Definition

[image]

Term
Error in measurement
Definition

measure - actual

___________________________

actual

 

Term

Trigonometry

-right triangles only

Definition

Soh Cah Toa

 

Term

Mean

Median

Mode

Definition

Mean= average

Median= middle number

Mode= most common

Term
Percentile rank of score
Definition

X = Number of scores below

----------------------------- * 100

number of scores



Term
When finding axis of symmetry.
Definition
It will always be x= 
Term
Sides of a quadrilateral
Definition
Quadrilateral = 4 sides
Term
Sides of a pentagon
Definition
Pentagon = 5 sides
Term
Sides of a hexagon
Definition
Hexagon = 6 sides
Term
Sides of a septagon
Definition
Septagon = 7 sides
Term
Sides of a octagon
Definition
Octagon = 8 sides
Term
Sides of a nanagon
Definition
Nonagon = 9 sides
Term
Sides of a decagon
Definition
Decagon = 10 sides
Term
Sides of a dodecagon
Definition
Dodecagon = 11 sides
Term
Finding vertex
Definition

-b
____________
2a 

Term
Quadratic Formula
Definition

[image]

Term
Finding area
Definition
L * W
Term
Finding perimeter 
Definition
P= 2L + 2W
Term
How to edit table
Definition
STAT, ENTER.
Term
How to find the equation of a line
Definition
STAT, RIGHT ARROW(CALC), LINREG
Term

Square root of 4

Definition

2

Term

Square root of 9

Definition

3

Term

Square root of 16

Definition
4
Term

Square root of 25

Definition

5

Term

Square root of 36

Definition

6

Term

Square root of 49

Definition

7

Term

Square root of 64

Definition

8

Term

Square root of 81

Definition

9

Term

Square root of 100

Definition

10

Term

Square root of 121

Definition

11

Term

Square root of 144

Definition

12

Term

Probability

Solving

Definition

Number of fav. outcomes

--------------------

Number of possible outcomes

Term

If an exponent = 0

Definition
the answer = 1 
Term

Type absolute value in calculator.

Definition

ABS -----> Math -----> NUM -----> Abs(

Term
when shading > >
Definition

Shade above.

Term

When shading Y < <

(Less then)

Definition
Shade below
Term

< > Lines look?

Definition

Dashed.

- - - - - 

Term

< > Lines look?

Definition

Solid

________

Term

When graphing systems of inequalities?

Definition

Look like a shaded region.

( S ) SOLUTION SET WHERE BOTH COMBINE.

Term
When exponets have exponents
Definition
multiply exponents together
Term

Percent of change equation

Definition

(NEW - ORIGINAL)

-------------- *100

(ORIGINAL)

Term

When reporting and answer as a percent,

Definition

put... Increased or decreased.

Term

Percent of increase

Definition

(NEW) - (ORIGINAL)

--------------

Original amount (ORIGINAL)

Term
Proporitons
Definition

Part

------

Whole

Term
greatest possible error
Definition

GPE

----------------

measurement


measured-actual

-----------------------

actual

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