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Test your basic knowledge |
CLEP College Algebra: Algebra Principles
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Subjects
:
clep
,
math
,
algebra
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is a basic technique used to simplify problems in which the original variables are replaced with new ones; the new and old variables being related in some specified way.
Change of variables
Algebraic combinatorics
A differential equation
Repeated multiplication
2. Is to add - subtract - multiply - or divide both sides of the equation by the same number in order to isolate the variable on one side of the equation. Once the variable is isolated - the other side of the equation is the value of the variable.
Repeated multiplication
Operations on sets
commutative law of Multiplication
The central technique to linear equations
3. Is an algebraic 'sentence' containing an unknown quantity.
Polynomials
Algebraic number theory
domain
Elimination method
4. The operation of exponentiation means ________________: a^n = a
Repeated multiplication
Reflexive relation
Real number
has arity one
5. An equivalent for y can be deduced by using one of the two equations. Using the second equation: Subtracting 2x from each side of the equation: and multiplying by -1: Using this y value in the first equation in the original system: Adding 2 on each s
Constants
substitution
Categories of Algebra
Operations
6. The squaring operation only produces
nonnegative numbers
Abstract algebra
inverse operation of addition
The relation of equality (=)
7. Introduces the concept of variables representing numbers. Statements based on these variables are manipulated using the rules of operations that apply to numbers - such as addition. This can be done for a variety of reasons - including equation solvi
Exponentiation
Elementary algebra
A differential equation
Algebraic number theory
8. The process of expressing the unknowns in terms of the knowns is called
Knowns
two inputs
An operation ?
Solving the Equation
9. Include composition and convolution
has arity two
Algebraic equation
Operations
Operations on functions
10. 0 - which preserves numbers: a + 0 = a
identity element of addition
All quadratic equations
nonnegative numbers
Quadratic equations
11. If a < b and c > 0
inverse operation of addition
then ac < bc
associative law of addition
A functional equation
12. Are denoted by letters at the end of the alphabet - x - y - z - w - ...
reflexive
Unknowns
transitive
Identity element of Multiplication
13. May contain numbers - variables and arithmetical operations. These are conventionally written with 'higher-power' terms on the left
unary and binary
A binary relation R over a set X is symmetric
Expressions
inverse operation of addition
14. Is an equation of the form log`a^X = b for a > 0 - which has solution
logarithmic equation
finitary operation
system of linear equations
Operations can involve dissimilar objects
15. Subtraction ( - )
inverse operation of addition
Pure mathematics
Operations on functions
(k+1)-ary relation that is functional on its first k domains
16. 1 - which preserves numbers: a
A linear equation
then ac < bc
the fixed non-negative integer k (the number of arguments)
Identity element of Multiplication
17. The operation of multiplication means _______________: a
Properties of equality
then ac < bc
Repeated addition
The purpose of using variables
18. Include the binary operations union and intersection and the unary operation of complementation.
transitive
the fixed non-negative integer k (the number of arguments)
Abstract algebra
Operations on sets
19. Elementary algebra - Abstract algebra - Linear algebra - Universal algebra - Algebraic number theory - Algebraic geometry - Algebraic combinatorics
Operations on sets
Categories of Algebra
Number line or real line
Linear algebra
20. Is an equation of the form aX = b for a > 0 - which has solution
Repeated addition
Unary operations
exponential equation
Real number
21. If a < b and c < 0
identity element of Exponentiation
The sets Xk
then bc < ac
transitive
22. () is the branch of mathematics concerning the study of the rules of operations and relations - and the constructions and concepts arising from them - including terms - polynomials - equations and algebraic structures.
Unary operations
nonnegative numbers
Abstract algebra
Algebra
23. The inner product operation on two vectors produces a
Universal algebra
has arity two
scalar
Order of Operations
24. using factorization (the reverse process of which is expansion - but for two linear terms is sometimes denoted foiling).
Equation Solving
exponential equation
Quadratic equations can also be solved
The operation of exponentiation
25. Not associative
inverse operation of addition
Associative law of Exponentiation
Linear algebra
The central technique to linear equations
26. Is an equation involving integrals.
The method of equating the coefficients
A integral equation
A transcendental equation
Equations
27. The values combined are called
Unknowns
Operations on sets
operands - arguments - or inputs
The operation of exponentiation
28. The values of the variables which make the equation true are the solutions of the equation and can be found through
The relation of equality (=)
Equation Solving
Equations
scalar
29. Referring to the finite number of arguments (the value k)
system of linear equations
A binary relation R over a set X is symmetric
finitary operation
Conditional equations
30. Is an equation involving derivatives.
two inputs
radical equation
A differential equation
operation
31. Is synonymous with function - map and mapping - that is - a relation - for which each element of the domain (input set) is associated with exactly one element of the codomain (set of possible outputs).
identity element of addition
Constants
operation
The simplest equations to solve
32. If a = b then b = a
identity element of Exponentiation
identity element of addition
symmetric
nonnegative numbers
33. Is an assignment of values to all the unknowns so that all of the equations are true. also called set simultaneous equations.
Properties of equality
Elimination method
value - result - or output
Solution to the system
34. If an equation in algebra is known to be true - the following operations may be used to produce another true equation:
substitution
A solution or root of the equation
commutative law of Multiplication
Any real number can be added to both sides. Any real number can be subtracted from both sides. Any real number can be multiplied to both sides. Any non-zero real number can divide both sides. Some functions can be applied to both sides.
35. In which the specific properties of vector spaces are studied (including matrices)
A Diophantine equation
An operation ?
Categories of Algebra
Linear algebra
36. The values for which an operation is defined form a set called its
exponential equation
domain
commutative law of Exponentiation
Any real number can be added to both sides. Any real number can be subtracted from both sides. Any real number can be multiplied to both sides. Any non-zero real number can divide both sides. Some functions can be applied to both sides.
37. often express relationships between given quantities - the knowns - and quantities yet to be determined - the unknowns.
Equations
transitive
A linear equation
Binary operations
38. 1 - which preserves numbers: a^1 = a
Expressions
Unknowns
identity element of Exponentiation
The method of equating the coefficients
39. Is a squared (multiplied by itself) number subtracted from another squared number. It refers to the identity
Difference of two squares - or the difference of perfect squares
Abstract algebra
radical equation
equation
40. Is a way of solving a functional equation of two polynomials for a number of unknown parameters. It relies on the fact that two polynomials are identical precisely when all corresponding coefficients are equal. The method is used to bring formulas in
The method of equating the coefficients
Associative law of Multiplication
Solution to the system
Solving the Equation
41. In an equation with a single unknown - a value of that unknown for which the equation is true is called
A solution or root of the equation
operands - arguments - or inputs
substitution
commutative law of Multiplication
42. A value that represents a quantity along a continuum - such as -5 (an integer) - 4/3 (a rational number that is not an integer) - 8.6 (a rational number given by a finite decimal representation) - v2 (the square root of two - an algebraic number that
Real number
Variables
Unary operations
reflexive
43. In which the properties of numbers are studied through algebraic systems. Number theory inspired much of the original abstraction in algebra.
The relation of equality (=)'s property
Algebraic number theory
The operation of addition
operation
44. If it holds for all a and b in X that if a is related to b then b is related to a.
Unary operations
A binary relation R over a set X is symmetric
finitary operation
commutative law of Addition
45. Is an equation in which the unknowns are functions rather than simple quantities.
A functional equation
A polynomial equation
Unknowns
The simplest equations to solve
46. A
operation
identity element of Exponentiation
commutative law of Multiplication
when b > 0
47. A distinction is made between the equality sign ( = ) for an equation and the equivalence symbol () for an
Identity
Equations
A differential equation
Pure mathematics
48. An operation of arity k is called a
The sets Xk
k-ary operation
finitary operation
A differential equation
49. Is an equation where the unknowns are required to be integers.
transitive
A transcendental equation
A Diophantine equation
Identity element of Multiplication
50. Is Written as a
Constants
inverse operation of Exponentiation
scalar
Multiplication