More Terminology Flashcards
Simplify 7 + (-2) =
7 - 2 =
Simplify 1 - (-3)
1 + 3 =
The product or quotient of two numbers that are both positive or negative will give a ______ number
positive
The product or quotient of two numbers that are both opposite in positive or negative will give a ______ number
negative
In a cartesian plane, the _____ axis is placed first
X
In a cartesian plane, what are the coordinates started and ended by
Brackets
In a cartesian plane coordinate, what symbol is used to show the separation between the x and y axis
the comma , (e.g (-3,2)
how do you find the percentage of a number
Multiply the percentage as a decimal (e.g 40% of 650 = 0.4x650)
what is a sample space
The set of all possible outcomes of an experiment.
what is a compound event
a collection of two or more outcomes from the sample space of a chance experiment
mutually exclusive events
Two or more events that share no outcomes
non-mutually exclusive events
two or more events that share one or more outcomes
complementary events
if all the outcomes in the sample space are divided into two events, they are complementary events.
complement is if
an experiment was performed and an event did not occur, then the complement definitely occurred (e.g rolling 1, 2, 5, 6 is an event. Rolling 1 or 6 is a complement)
theoretical probability
The actual chance that an event will occur when an experiment takes place. p= number of favourable outcomes/ total number of outcomes
