3354137
Description
Flashcards by Amber Grace, updated more than 1 year ago
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Created by Amber Grace
about 10 years ago
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| 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 | |
| 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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