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#TSAMath6Unit8

Unit 8: Algebraic Reasoning

TermDefinition
dependent quantity a value that represents the output or effect; a quantity that depends on another quantity for its value, y-value
independent quantity a value that represents the input or cause; x-value
additive relationship the quantities are expressed through addition; y = x + a
multiplicative relationship the quantities are expressed through multiplication; y = kx
axis/axes horizontal and vertical reference lines that define the coordinate plane
coordinate a specific location on the coordinate plane written as an ordered pair
coordinate plane a plane containing two perpendicular axes (x and y) intersecting at a point called the origin (0, 0); also referred to as the coordinate grid
ordered pair a pair of numbers used to locate a point on a coordinate plane; the first number is the horizontal or x position; the second number is the vertical or y position
origin the point where we begin; the point of intersection of the x and y axis on a coordinate plane; (0, 0)
quadrant I the top right section of the coordinate plane; both x and y values are positive (+, +)
x-axis the horizontal axis of a graph or Cartesian coordinate plane
y-axis the vertical axis of a graph or Cartesian coordinate plane
quadrant II the top left section of the coordinate plane; x values are negative, y values are positive (-, +)
quadrant III the bottom left section of the coordinate plane; both x and y values are negative (-, -)
quadrant IV the bottom right section of the coordinate plane; x values are positive, y values are negative (+, -)
variable mystery number; a letter or symbol representing a varying quantity, for example, n in 10 + n.
Created by: Edfred145
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