Mathematical Vocabulary and Definitions 2

Algebraically - ________

• show steps to solve

• draw a diagram

• memorize the answer

• guess the solution

Coordinates - an ordered pair, always x before y, written in parentheses (__, __)

• x, y

• y, x

• y, y

• x, x

Justify—give a ________ for an answer you gave.

• mathematical reason

• definition

• example

• formula

Graph—plot points and properly connect on an x-y plane—don't forget the ________.

• arrows

• labels

• axes

• grid

Inequalities—math statements with ________ or ________ than instead of =

• greater, less

• equal, not equal

• plus, minus

• multiply, divide

Axes—the 2 lines that form the x-y plane. The x-axis is horizontal with the equation y=0 and the y-axis is vertical with the equation x=0. They intersect at the ________.

• origin (0,0)

• vertex (1,1)

• focus (2,2)

• center (5,5)

The quadratic formula is:

• x = (-b ± √(b²-4ac)) / (2a)

• x = (-b ± √(b²+4ac)) / (2a)

• x = (b ± √(b²-4ac)) / (2a)

• x = (-b ± √(b²-4ac)) / (a)

Equation—a mathematical sentence with an ________

• =

• +

• -

• x

Express—write in a particular ________

• way

• book

• color

• number

Simplest radical form—no ________ in the denominator—bottom of the fraction—and any perfect square factors factored out of the radical symbol

• square root

• fraction

• integer

• variable