# Chapter P Vocabulary Flashcard

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1.rational

A real number is if it can be written as the ratio p/q of two integers, where q is not equal to 0.
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2.Irrational numbers

have infinite non repeating decimal representations.
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3.absolute value

The distance between a point on the real number line and the origin is the of the real number.
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4.composite number.

A number that can be written as the product of two or more prime numbers is called a
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5.prime number.

An integer that has exactly two positive factors, the integer itself and 1, is called a
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6.valuables

An algebraic expression is a collection of letters called
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7.constants.

real numbers are called
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8.The terms

of an algebraic expression are those parts separated by addition.
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9.coefficient

The numerical factor of a variable term is the of the variable term.
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10.The Zero Factor Property

states that if ab=0,then a=0 or b=0
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For the polynomial anxn + an-1xn-1+ …+a1x = a0, the degree is n,

the leading coefficient is an, and the constant term is a0.
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1. exponent exponent

In the exponential form aⁿ, n is the
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2.base.

aⁿ, a is the
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3.Scientific Notation.

A convenient way of writing very large or very small numbers is called One of the two equal factors of a number is called a square root.
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4.The principal nth root

is the nth root that has the same sign as a, and is denoted by ⁿ√a.
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In the radical form, ⁿ√a the positive integer n is called the
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In the radical form, ⁿ√a the positive integer the number a is called
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7.simplest form.

When an expression involving radicals has allpossible factos removed, the radical-free denominators, and a reduced index, it is in
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The expressions a + b√m and a-b√m are
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9.rationalizing the denominator

.The process used to create a radical-free denominator is known as
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10. power

In the expressions bm/n, m denotes the to which the base is raised
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11.index

In the expressions bm/n, m denotes or root to be taken.
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descending powers of x.

A polynomial in x in standard form is written with
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monomial,binomials, trinomial

A polynomial with one term is called a ____, while a polynomial with two terms is called___ , and a polynomial with three terms is called a ____.
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The letters in FOIL

stand for the following F first O outer I inner L last
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(u+v)(u-v)=u2-v2

The sum and difference of the same terms
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u+v)2=u2+2uv+v2

A binominal sum squared (
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(u-v)2=u2-2uv+v2

A binomial difference squared
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factoring.

The process of writing a polynomial as a product is called
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prime or irreducible over the integers.

If a polynomial cannot be factored with integer coefficients it is called
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when each of its factors is prime

A polynomial is completely factored
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factoring by grouping may be used.

If a polynomial has more than three terms, a method of factoring called
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difference of two squares

u2-v2=(u+v)(u-v)
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Difference of two cubes

u3-v3=(u-v)(u2+uv+v2)
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Perfect square trinomial

u2-2uv+v2=(u-v)2
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domain of the expressions.

The set of real numbers for which an algebraic expression is defined is the
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fractional expression,rational expression

The quotient of two algebraic expressions is a _____________ and the quotient of two polynomials is a ____________ .
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complex fractions.

Fractional expressions with separate fractions in the numerator, denominator, or both are called
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factoring out the common factor with the smaller exponent

To simplify an expression with negative exponents, it is possible to begin by .
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equivalent

Two algebraic expressions that have the same domain and yield the same values for all numbers in their domains are called.
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difference quotient.

An important rational expression, such as (x+h)2-x2, that occurs in calculus is called a h
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To write the expression 2 with negative exponents,

move √x to the numerator and √x change the sign of the exponent.
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When dividing fractions,

multiply by the reciprocal.
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x-axis

horizontal real number line
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y-axsis

vertical real number line
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origin

point of intersection of vertical axis and horizontal axis
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four regions of he coordinate plane
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x-coordinate

direct distance from the y-axis
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y-coordinate

direct distance from the x-axis
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rectangular coordinate system or the Cartesian plane

An ordered pair of real numbers can be represented in a plane called the .
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The distance formula

is a result derived from the Pythagorean Theorem.
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using the Midpoint Formula .

Finding the average values of the representative coordinates of the two endpoints of a line segment in a coordinate plane is also known as
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Midpoint Formula