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36 Cards in this Set
- Front
- Back
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Area of a triangle
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A=1/2(b)(h)
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Area of a square/rectangle
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A=(l)(w)
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Area of a trapezoid
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A=1/2(b^1+b^2)(h)
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Parallelogram
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A=(b)(h)
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Arc of a circle
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If vertex is the center then angle is equal to arc length
If vertex is on the circle then angle is equal to 1/2 arc length |
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Area of a Circle
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A=pi (r^2)
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Circumfrence of a circle
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C=pi(d)
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Volume of a cube
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V=s^3
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Volume of a rectangular solid
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V=(l)(w)(h)
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Volume of a Cylinder
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V=(pi)(r^2)(h)
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Slope intercept
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y=mx+b
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Percent change
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change/starting point
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Isosceles right triangles (45-45-90)
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Sides = (x),(x),(x√2)
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30-60-90 right triangles
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Sides = x, 2x, x√3
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ZONE F
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Zero, one, negative, extremely big or small, fractions
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Digits
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numbers that make up other numbers
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Number
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a digit or a collection of digits
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Integers
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counting numbers such as -3,-2,-1,0,1,2,3
Fractions are not integers |
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Even integers
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-4,-2,0,2,4
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Odd integers
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-3,-1,1,3,5,7
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multiplying odd and even integers
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even x even - even
odd x odd = odd even x odd = even |
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Absolute value
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absolute value is equal to its distance from 0 on a number line
|-1|=1 |
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Prime numbers
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number that has only 2 factors, itself and one
2, 3, 5, 7, 11, 13, 17, 19, 23, 29 |
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Sum
Difference product quotent divisor numerator denominator consecutive term |
Sum - result of addition
Difference - result of subtraction product - result of multiplication quotent - result of division divisor - # you divide by numerator - top number in a fraction denominator - bottom number in a fraction consecutive - in order from least to greatest term - numbers used in an equation |
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7x7,7x8,8x8
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7*7=79
7*8=56 8*8=64 |
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adding and subtractiong fractions
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add the numerators and place sum over denominator
if no common denominator, multiply denominators to get common denomenator and cross multiply numerators (1/2 + 1/3) = (3/6 + 2/6) |
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multiplying fractions
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multiply straight across
4/5*10/12=40/60 |
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dividing fractions
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turn second fraction upside down and multiply accross
2/3*4/5=2/3*5/4 |
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Standard deviation
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34%,14%,2%
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Slope
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Slope = rise/run
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Probability
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Probability =
# of possible outcomes that satisfy the condition/number of possible outcomes |
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Probability of A and B
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probability of A * B
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Probability of A or B
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probability of A +B
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Factorial 4!
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equal to the number times every positive whole number smaller than that number down to one
4!=4*3*2*1 |
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Permutation
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-figure out how many slots you have
-write down number of options for each slot -multiply |
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combination
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-figure out how many slots you have
-fill in slots as you would a permutation -divide by factorial of number of slots |
