proportional relationship
ratio
coordinate plane
unit rate
coordinate point
y-coordinate
rate
x-coordinate
equation
constant of proportionality
A mathematical statement containing an equals sign, to show that two expressions are equal.
A comparison of two values which may be written as a to b, a:b, or as a fraction a/b.
Two or more ratios or fractions having equal value.
A comparison of two measurements in which one of the terms has a value of 1.
An ordered pair of numbers on a coordinate plane.
A plane containing two axes intersecting at a point called the origin, (0,0).
A comparison of two quantities with different measurement units.
The position of a point according to the x-axis.
The constant value of the ratio of two proportional quantities x and y, usually written y=kx or k=y/x where k is the factor of proportionality.
The position of a point according to the y-axis.
