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36 Cards in this Set
- Front
- Back
Base (of exponent)
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a number that is raised to a power. (example: 102, 10 is the base, 2 is the exponent)
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Cartesian Coordinate System
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a system used to locate points in a plane relative to the intersection of two perpendicular lines in the plane.
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Circumference
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the distance around a circle
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Compound event
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two or more independent events considered together.
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Degrees (angles)
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the unit of measure for angles
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Dependent events
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events that have an outcome that is affected by the outcome of a previous event
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Dilation
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a transformation that changes the size of an image
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Equiangular
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having all angles equal
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Equilateral
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having all sides equal
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Experimental probability
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the ratio of the number of times the event occurs to the total number of trials.
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Inequality Theorem
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theorem that states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side.
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Independent events
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events that have no effect on each other.
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Integers
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counting numbers, their opposites and zero (example: -4, -3, -2, -1, 0, 1, 2, 3, 4)
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Isosceles
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having two sides of equal length
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Negative (number)
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any number less than zero, they are written with a negative sign (example: -2, -1)
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Odds
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the probability (chance) that some event will occur. (example: when rolling a die, the odds of rolling a 2 are 1 out of 6 or 1/6)
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Percent
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a ratio that represents parts per hundred (example: 50% = 50 parts of 100)
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Pi
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the ratio of the circumference of a circle to its diameter. (about 3.14)
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Poll
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a sampling or collection of opinions on a subject, taken from either a selected or a random group of persons, as for the purpose of analysis.
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Power (of a number)
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the number of times a number is used as a factor. Represented by an exponent. (example: 23 = 2 x 2 x 2 = 8 or 2 to the third power)
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Prime Factorization
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a composite number written as the product of its prime factors. (example: 3 x 3 x 2 = 18)
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Protractor
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a tool used to measure angles
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Pyramid
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a three dimensional figure that has any polygon for its base and triangles for all other faces
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Qualitative Graph
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representations that focus on the important general features of a situation, a graph of data that can be observed but not measured such as colors, scents, smells.
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Random
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an event that happens by chance (example: whether a tossed coin lands on heads or tails)
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Rate
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a ratio that compares two quantities with different kinds of units (example: 3 pens for $1.19 where the items (pens) are one kind of unit and money ($1.19) is a different kind of unit.
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Ratio
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the comparison of two quantities using a fraction or division (example: Two people are riding on an elephant. The ratio of people to elephants is 2:1). Ratios can be written two ways: a/b or a:b.
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Repeating Decimal
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a decimal number with a digit or a group of digits that repeat on and on, without end. When writing a repeating decimal, a bar is placed over the repeating portion. (example: 1/3 expressed as a decimal is 0.3333333…….. or 0.
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Sample Bias
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created when a person who does a study that omits evidence that contradicts one particular outcome, by accidental design, as opposed to by choice. (When the data is omitted deliberately, that is known as selection bias)
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Sample Space
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Consists of all of the possible outcomes of a probability experiment (example: when a coin is tossed, there are two possible outcomes: heads and tails. The sample space is then {heads, tails})
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Scalene
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a triangle in which all three sides are a different length
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Similarity
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the condition of being similar (having the same shape, but different sizes)
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Simple events
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a single event in a probability problem (example: the tossing of one coin)
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Simulation
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a model of an experiment
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Theoretical Probability
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the likeliness of an event happening based on all the possible outcomes
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Triangle
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a plane shape that has three sides and three angles.
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