Pearson math Algebra Terms For EOC

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24 terms · self explanitory terms for chapters 1-10

Rational Number

A number that can be written as a/b where a and b are integers, but b is not equal to 0.

Natural Numbers

The set of numbers 1, 2, 3, 4, ... Also called counting numbers.

Whole Numbers

All positive integers (including zero)

Integers

whole numbers and their opposites

irrational numbers

numbers that cannot be expressed in the form a/b, where a and b are integers and b =0.

Percent Change

the percent a quantity increases or decreases from its original amount

Ratio

a comparison of two numbers by division

Compliment

Set of all elements in the universal set that are not in the set

Intersection

the set of elements common to two or more sets

union

a set containing all and only the members of two or more given sets

Roster Form

form of writing a set in which you list the names of the members of the set between brackets

Set Builder Notation

a shorthand used to write sets, often sets with infinite number of elements

Direct Variation

y=kx

Linear Equation

An equation whose graph is a line.

Point slope form

y-y1 = m(x-x1), where m is the slope and (x1,y1) is the point the line is passing through.

Slope intercept form

y=mx+b

Elimination method

solving systems by adding or subtracting equations to eliminate a variable

Substitution method

A method of solving a system of equations in which one equation is solved for one variable in terms of the other

Binomial

a polynomial with two terms

standard form of a polynomial

terms are placed in descending order from largest degree to smallest degree

Smiley face method

when you have to factor x(squared)+bx+c completely

Factoring By Grouping

The use of the Distributive Property to factor some polynomials having four or more terms

Perfect Square Trinomial

a trinomial whose factored form is the square of a binomial

Discriminant

the expression under the radical in the quadratic formula b squared minus four a*c

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