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Criado por Amber Grace
quase 9 anos atrás
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Questão | Responda |
Difference of two cubes | (a-b) (a^2+ab+b^2) |
Sum of two cubes | (a+b)(a^2-ab+b^2) |
Distance formula | |
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? | |
(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 |
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