Absolute Value - the absolute value of a real number a,
denoted by lal, is the distance between a and 0 on the number line.Additive Identity - 0, since 0 added to any number
gives that number. ( a + 0 = a)
Algebraic Expressions -variables and numbers
connected by mathematical operations.
Bar graph -a 2-dimensional picture that consists of individual
rectangles(or bars).
Base -the quantity being raised to a power.
Binomial -a polynomial with exactly two terms.
Coefficient -the number mulitiplied by a variable.
Complementary angles -two angles whose
sum is 90 degrees.
Constant-a number that does not change value.
Degree of a term(in one variable) -the exponent.
Degree of a polynomia l-the greatest degree of any
term of the polynomial.
Difference of two Squares -a polynomial where
the two terms are perfect squares separated by subtraction.
Equivalent equations -two equations
that have the same solution.
Exponent -the number of times the base is used as a factor.
Exponential expression -a term that includes a
coefficient, a variable, and a power of that variable.
Exponential Notation -an expression that includes a
quantity being raised to a power.
Equations -a statement that two expressions are equal.
Factor -in a product, each number being multiplied is called a
factor.
Factoring by grouping -when four or more terms are
given in a polynomial try working with two terms at a time and then find the GCF.
Factoring a polynomial -the process of writing a
polynomial as a product.
Formula -a mathematical statement that describles the
relationship among numbers or variables.
Graph of a linear equation - a 2-dimensional
representation which results in a staight line.
Greatest common factor -(GCF) the product of the
largest numerical factor common to all terms and the variable factor raised to the
lowest exponent in all terms.
Grouping Symbol -parentheses, brackets, or braces used to
collect mathematical expressions.
Hypotenuse -the side opposite the right angle of a triangle.
Identity -an equation that has an infinite number of solutions.
Inequality symbo -any of the following symbols used to
denote the relationship between two mathematical statements < , >, < , >.
Integers - {..., -2, -1, 0, 1, 2, 3,...}
Irrational Numbers - nonrational numbers
Least common denominator - (LCD) a polynomial
whose factors include all the factors of the denominators, each raised to the highest
power from any of the given denominators.
Leg -the sides adjacent to the right angle of a triangle.
Like terms -terms that have the same variable raised to the
same power (also called similar terms).
Line graph -a 2-dimensional picture that consists of points
connected by a line.
Linear equation - in one variable can be
written in the form Ax + B = C where A, B, and C are real numbers and A
0.
Linear equation in two variables - can
be written in the form Ax + By = C where A, B, and C are real numbers and A
0 and B 0.
Monomia l -a polynomial with exactly one term.
Multiplicative Identity - the identity is 1. (a
1 = a)
Natural Numbers {1, 2, 3, ...}
Opposites -two quantities whose sum is 0 (also called additive
inverses). Perfect Square Trinomial-a polynomial of three terms that factors into the same
two binomials.
Ordered Pair - written (x,y), the x represents a value on
the horizontal axis and the y represents a value on the vertical axis, while (x,y)
represents a point on the graph.
Origin - the ordered pair (0,0).
Parallel lines - two lines with the same slope.
Perpendicular lines - two lines that intersect at
right angles.
Perfect Square Trinomial - a polynomial of three
terms that factors into the same two binomials.
Polynomial in x -a finite sum of terms of the form axn
, where a is a real number and n is a whole number.
Power -the number of times a base is used as a factor. Also called
an exponent.
Prime -a polynomial that does not factor.
Quadrant - one of the four sections where the horizontal and
vertical number lines divide the plane.
Quadratic equation -an equation that can be written in
the form ax2 + bx + c = 0 where a, b, and c
are real numbers and a 0.
Rational Expression - a quotient of polynomials.
Rational Numbers - {
l
a and b are integers and b 0 }
Real Numbers - Numbers that correspond to points on the
number line. This includes all natural, whole, integers, rational, and irrational numbers.
Reciprocals -two numbers whose product is 1 (also called
multiplicative inverses).
Rectangular coordinate system - a
2-dimensional graph that includes a horizontal and vertical number line.
Right triangle - a three sided polygon that contains a 90
degree angle.
Scientific notation - if a number is written as the
product of a number a, where 1 < a < 10, and an integer power r
of 10: a x 10r .
Set -a collection of objects.
Slope - the steepness of a line.
Slope-intercept form - a linear equation written in
the form y = mx + b.
Solution -the value of the variable or variables
that makes the equation true.
Standard form of a linear equation -
the form Ax + By = C where A, B, and C are real numbers and A
0 and
B 0.
Standard Form of a quadratic equation
-the form ax2 + bx + c = 0 where a, b, and c
are real numbers and a 0.
Supplementary angles -two angles
whose sum is 180 degrees.
Term -a number or the product of a number and a variable (including
exponents).
Translate -to change from written words to a mathematical
statement.
Trinomial -a polynomial with exactly three terms.
Variable -letter used to denote an unknown quantity.
Whole Numbers - {0, 1, 2, 3,...}
x-axis - the horizontal number line.
x-coordinate - the x value in the ordered pair (x,y).
x-intercept - a point on the x-axis (a,0).
y-axis - the vertical number line.
y-coordinate - the y value in the ordered pair (x,y).
y-intercept - a point on the y-axis (0,b).
