Flash cards

Question	Answer
Difference of two cubes	(a-b) (a^2+ab+b^2)
Sum of two cubes	(a+b)(a^2-ab+b^2)
Distance formula	Image: b255890a-dc5d-4abc-86b1-a4910c12cb28 (image/png)
Define integer	Whole numbers, e.g. 1, -1, 0
Define rational number	can be expressed as a fraction- e.g. 3.3*=1/3
Define irrational number	can not be expressed in fraction form, continuous. e.g. pi.
x^-m	1/x^m
x^m/n	n(root)x^m
Complete the square steps:	1. Make it monic. 2. Half the coefficient of x 3. Square it and add to both sides (or add and subtract to one)
Quadratic Formula?	Image: bae77e10-3a49-4e86-8a48-5eca4de30744 (image/png)
(a/x-b)>c	x=/b. solve for x plot the number line and test 3 reigons
List the congruency tests	SSS SAS AAS RHS
List the similarity tests	2 common angles (3) All sides in ratio. e.g. a/x=b/y=c/z
Ratio of intercepts formula	AB/BC=DE/EF
Properties of a paralellogram	Opposite sides parallel Opposite sides and angles equal Diagonals bisect each other Diagonals bisect the shape into two congruent triangles
Rectangle Properties	Opposite sides parallel Opposite sides and angles equal Diagonals bisect each other Diagonals bisect the shape into two congruent triangles Diagonals are equal all angles are 90^o
Properties of a rhombas	All sides are equal. Opposite sides parallel Opposite angles equal Diagonals bisect each other at right angles Diagonals bisect the shape into two congruent triangles Diagonals bisect angles

Resource summary

	Created by Amber Grace over 8 years ago