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Test your basic knowledge |
CLEP College Algebra: Algebra Principles
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Study First
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. A binary operation
The purpose of using variables
has arity two
Operations on sets
then bc < ac
2. If a < b and c < 0
then bc < ac
A binary relation R over a set X is symmetric
Number line or real line
commutative law of Addition
3. 0 - which preserves numbers: a + 0 = a
identity element of addition
The purpose of using variables
operands - arguments - or inputs
Real number
4. Is an assignment of values to all the unknowns so that all of the equations are true. also called set simultaneous equations.
Solution to the system
radical equation
Algebraic equation
domain
5. If a = b then b = a
Algebraic number theory
Associative law of Multiplication
Identities
symmetric
6. 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
Elementary algebra
equation
Pure mathematics
Properties of equality
7. An operation of arity zero is simply an element of the codomain Y - called a
Associative law of Multiplication
Categories of Algebra
A linear equation
nullary operation
8. The inner product operation on two vectors produces a
scalar
A binary relation R over a set X is symmetric
operation
Operations on sets
9. Two equations in two variables - it is often possible to find the solutions of both variables that satisfy both equations.
The central technique to linear equations
inverse operation of addition
domain
system of linear equations
10. Sometimes also called modern algebra - in which algebraic structures such as groups - rings and fields are axiomatically defined and investigated.
Reunion of broken parts
Abstract algebra
Categories of Algebra
The relation of inequality (<) has this property
11. () 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.
The central technique to linear equations
The relation of equality (=)
identity element of addition
Algebra
12. There are two common types of operations:
Identity
Equation Solving
Operations on functions
unary and binary
13. The values for which an operation is defined form a set called its
domain
Multiplication
Linear algebra
exponential equation
14. Not commutative a^b?b^a
commutative law of Exponentiation
Algebraic combinatorics
inverse operation of Multiplication
Elementary algebra
15. If an equation in algebra is known to be true - the following operations may be used to produce another true equation:
nonnegative numbers
operation
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.
Associative law of Multiplication
16. Real numbers can be thought of as points on an infinitely long line where the points corresponding to integers are equally spaced called the
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.
inverse operation of Exponentiation
Number line or real line
Reflexive relation
17. 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
operation
commutative law of Addition
Identity
substitution
18. The relation of equality (=) is...reflexive: b = b; symmetric: if a = b then b = a; transitive: if a = b and b = c then a = c.
domain
Properties of equality
Polynomials
the fixed non-negative integer k (the number of arguments)
19. Division ( / )
A differential equation
Abstract algebra
Properties of equality
inverse operation of Multiplication
20. Is called the type or arity of the operation
Elementary algebra
logarithmic equation
Repeated addition
the fixed non-negative integer k (the number of arguments)
21. An operation of arity k is called a
Algebraic combinatorics
k-ary operation
system of linear equations
Equations
22. Is an equation involving derivatives.
Expressions
A differential equation
The relation of equality (=)'s property
An operation ?
23. often express relationships between given quantities - the knowns - and quantities yet to be determined - the unknowns.
A linear equation
Equations
identity element of addition
The purpose of using variables
24. Are denoted by letters at the beginning - a - b - c - d - ...
Algebra
The real number system
Abstract algebra
Knowns
25. If a < b and c > 0
Unary operations
then ac < bc
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.
commutative law of Multiplication
26. (a + b) + c = a + (b + c)
has arity two
associative law of addition
Algebraic number theory
unary and binary
27. Elementary algebra - Abstract algebra - Linear algebra - Universal algebra - Algebraic number theory - Algebraic geometry - Algebraic combinatorics
Universal algebra
nonnegative numbers
Categories of Algebra
domain
28. Is an equation where the unknowns are required to be integers.
Equations
The central technique to linear equations
A Diophantine equation
nonnegative numbers
29. An example of solving a system of linear equations is by using the elimination method: Multiplying the terms in the second equation by 2: Adding the two equations together to get: which simplifies to Since the fact that x = 2 is known - it is then po
Operations on functions
Elimination method
Reflexive relation
scalar
30. Are called the domains of the operation
an operation
Unknowns
radical equation
The sets Xk
31. Means repeated addition of ones: a + n = a + 1 + 1 +...+ 1 (n number of times) - has an inverse operation called subtraction: (a + b) - b = a - which is the same as adding a negative number - a - b = a + (-b)
The operation of addition
reflexive
Rotations
two inputs
32. The operation of multiplication means _______________: a
Binary operations
A polynomial equation
Repeated addition
A differential equation
33. Include composition and convolution
Operations on functions
when b > 0
Unknowns
radical equation
34. Is an equation in which a polynomial is set equal to another polynomial.
reflexive
The relation of equality (=)'s property
The sets Xk
A polynomial equation
35. Algebra comes from Arabic al-jebr meaning '______________'. Studies the effects of adding and multiplying numbers - variables - and polynomials - along with their factorization and determining their roots. Works directly with numbers. Also covers sym
operation
Unary operations
Reunion of broken parts
then ac < bc
36. Is an equation involving only algebraic expressions in the unknowns. These are further classified by degree.
Order of Operations
Algebraic equation
Exponentiation
Algebraic geometry
37. Involve only one value - such as negation and trigonometric functions.
commutative law of Addition
Unary operations
range
Polynomials
38. The codomain is the set of real numbers but the range is the
Algebraic geometry
inverse operation of Exponentiation
Identity
nonnegative numbers
39. 1 - which preserves numbers: a^1 = a
commutative law of Multiplication
has arity one
identity element of Exponentiation
system of linear equations
40. Applies abstract algebra to the problems of geometry
Algebraic geometry
identity element of addition
The sets Xk
nonnegative numbers
41. That if a = b and c = d then a + c = b + d and ac = bd;that if a = b then a + c = b + c; that if two symbols are equal - then one can be substituted for the other.
Identities
Operations on functions
The relation of equality (=) has the property
Quadratic equations
42. A mathematical statement that asserts the equality of two expressions - this is written by placing the expressions on either side of an equals sign (=).
equation
system of linear equations
Rotations
nonnegative numbers
43. Is Written as a + b
Addition
Knowns
range
value - result - or output
44. Is a squared (multiplied by itself) number subtracted from another squared number. It refers to the identity
The operation of exponentiation
Difference of two squares - or the difference of perfect squares
Vectors
Elimination method
45. If it holds for all a and b in X that if a is related to b then b is related to a.
The sets Xk
The operation of exponentiation
scalar
A binary relation R over a set X is symmetric
46. Is a function of the form ? : V ? Y - where V ? X1
nonnegative numbers
Variables
An operation ?
Knowns
47. (a
transitive
Solution to the system
associative law of addition
Associative law of Multiplication
48. In which the properties of numbers are studied through algebraic systems. Number theory inspired much of the original abstraction in algebra.
A polynomial equation
logarithmic equation
Algebraic number theory
Repeated addition
49. Is Written as a
Unary operations
A solution or root of the equation
Multiplication
Properties of equality
50. Symbols that denote numbers - is to allow the making of generalizations in mathematics
equation
The purpose of using variables
associative law of addition
Universal algebra