Math 2 Vocabulary
polynomial
A mathematical expression that is the sum of one or more terms
expression
A mathematical phrase that contains operations, numbers, and/or variables.
equation
A mathematical sentence that shows that two expressions are equivalent
term or monomial
A number, a variable, or the product of a number and a variable
coordinate pair
A pair of numbers used to locate a point on a graph (x,y)
Area model
A rectangle with widths labeled on the outside and the areas labeled on the inside.
Second difference
Differences that are found by subtracting consecutive first differences from one another. (The difference of differences)
Rate of change
First difference. Slope. Speed. Steepness of line.
Perimeter
How far around?
Area
How many squares will cover the surface?
multiplication
The number of times a number is added (An operation used as a shortcut for repeated addition)
exponent
The number of times the base is multiplied to itself (An operation used as a shortcut for repeated multiplication)
x-intercept
The point where a graph crosses the x-axis.
parabola
symmetrical curved U shape, that models quadratic graphs
add/subtract binomials
(term 1 + term 2) + (term 1 + term 2) OR (term 1 + term 2) - (term 1 + term 2)
multiply binomials
(term 1 + term 2)(term 1 + term 2)
axis of symmetry
A line that divides a graph into two congruent reflected halves
binomial
A mathematical expression that is the sum of exactly two terms
Evaluate
Substitute a known value for a variable and calculate the result. (Plug and chug)
vertex of parabola
the highest or lowest point of a parabola