Number Relationships
all positive counting numbers
What is a whole number?
numbers that represent a ratio with division
What is a fraction?
2 expressions that have the same value (equal)
What is an equation?
the steepness of a line; rate of change
What is slope?
same shape, same size
What is congruent?
a number that can be written as a ratio
What is a rational number?
the number of parts, or pieces, in a fraction
What is the numerator?
2 expressions that do NOT have the same value (<, > <, >)
What is an inequality?
the coordinate that crosses the y-axis
What is y-intercept?
angles that share a vertex and a side
What is adjacent?
a positive or negative whole number
What is an integer?
the number of pieces that make a whole
What is the denominator?
a letter that represents an unknown number
What is a variable?
two equivalent rations
What is a proportion?
pair of opposite angles that are made by two intersecting lines. (HINT: They are congruent)
What are vertical angles?
0 and the counting numbers
What is a natural (counting) number?
the multiplicative inverse of a fraction
What is a reciprocal?
a number without a variable that does not change
What is a constant?
the ratio between two variables that does not change (HINT: think of the equation used to graph proportions)
What is constant of proportionality (k)?
a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
What is a rhombus?
a number that can be represented on a number line
What is a real number?
a number less than one but greater than 0
What is a decimal?
number used to multiply a variable
What is a coefficient?
the slope-intercept equation for a line (not in proportion)
What is y=mx+b?
Triangle that have two or more equivalent sides
What is an isosceles triangle?