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What is 1 + 3?
ACT - Math
all numbers except imaginary numbers
positive and negative whole numbers including zero
positive whole numbers (excludes zero)
any number that can be expressed by a fraction
decimal numbers that continue forever without repeating
line connecting one vertice to another
y=mx + b
rise over run; angle of a line expressed as a fraction; it is the m in the y-intercept form
a graph of a line that looks like a U; has the equation X²
flopping a point or shape across an line (usually x or y axis)
moving a point or shape on a graph
turning a shape on a graph
a comparison of two items in a fraction; Can be written with a semicolon; For example, 3:2.
number out of 100; can be written as a decimal
A fraction flipped upside; 1/2 and 2/1 are reciprocals
Point where a line intercepts the y-axis
Location of a point on a graph in the form (x,y) where x moves left and right, y moves up and down
Equation of a horizontal line
y=any number; ex. y=4, y=-6
Equation of a vertical line
x=any number; ex. x=3, x=-1
Area of a circle
Pi time radius squared
distance from zero; take off the negative sign
add numbers and then divide by number of terms
Least Common Denominator (LCD)
lowest number that all numbers are factors of
number that all numbers are factors of
Distributing by First, Outer, Inner, Last
All the different ways of arranging something
zero property of multiplication
any number times 0 equals 0
Area of triangle
1/2 base x height (1/2 bh)
distance from center to outer edge of a circle
distance across a circle through the center
Positive parabolas open . . .
Negative parabolas open . . .
part of a circle
In math the term "is" means
In math the term "of" means
the amount ADDED to the original price of an item is called the
Add the exponents
When multiplying variable with exponents
Multiply the exponents
When taking variables with exponents to a power
the distance around a figure; add all the sides together
a number with only 2 factors....one and itself.