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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. Can be added and subtracted.
inverse operation of addition
commutative law of Multiplication
two inputs
Vectors
2. using factorization (the reverse process of which is expansion - but for two linear terms is sometimes denoted foiling).
nonnegative numbers
Quadratic equations can also be solved
Repeated multiplication
when b > 0
3. Is an equation involving derivatives.
exponential equation
nonnegative numbers
A differential equation
commutative law of Addition
4. Is an equation of the form X^m/n = a - for m - n integers - which has solution
A Diophantine equation
All quadratic equations
radical equation
Equations
5. Involve only one value - such as negation and trigonometric functions.
Operations on functions
Unary operations
an operation
The central technique to linear equations
6. Two equations in two variables - it is often possible to find the solutions of both variables that satisfy both equations.
system of linear equations
The purpose of using variables
Equations
(k+1)-ary relation that is functional on its first k domains
7. Is an equation of the form log`a^X = b for a > 0 - which has solution
inverse operation of addition
Solution to the system
Repeated multiplication
logarithmic equation
8. The set which contains the values produced is called the codomain - but the set of actual values attained by the operation is its
range
operation
Reflexive relation
nonnegative numbers
9. In which abstract algebraic methods are used to study combinatorial questions.
Reflexive relation
Operations on functions
unary and binary
Algebraic combinatorics
10. Can be written in terms of n-th roots: a^m/n = (nva)^m and thus even roots of negative numbers do not exist in the real number system - has the property: a^ba^c = a^b+c - has the property: (a^b)^c = a^bc - In general a^b ? b^a and (a^b)^c ? a^(b^c)
The relation of inequality (<) has this property
commutative law of Exponentiation
The operation of exponentiation
Repeated multiplication
11. Elementary algebraic techniques are used to rewrite a given equation in the above way before arriving at the solution. then - by subtracting 1 from both sides of the equation - and then dividing both sides by 3 we obtain
when b > 0
A Diophantine equation
scalar
Properties of equality
12. Transivity: if a < b and b < c then a < c; that if a < b and c < d then a + c < b + d; that if a < b and c > 0 then ac < bc; that if a < b and c < 0 then bc < ac.
Universal algebra
Repeated multiplication
(k+1)-ary relation that is functional on its first k domains
The relation of inequality (<) has this property
13. May contain numbers - variables and arithmetical operations. These are conventionally written with 'higher-power' terms on the left
Change of variables
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.
Expressions
Equations
14. In which the specific properties of vector spaces are studied (including matrices)
Linear algebra
Algebraic combinatorics
when b > 0
Equations
15. A distinction is made between the equality sign ( = ) for an equation and the equivalence symbol () for an
Difference of two squares - or the difference of perfect squares
then a < c
Identity
commutative law of Exponentiation
16. 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
Exponentiation
Elimination method
k-ary operation
Vectors
17. 1 - which preserves numbers: a^1 = a
Quadratic equations can also be solved
identity element of addition
then a < c
identity element of Exponentiation
18. Is an equation in which the unknowns are functions rather than simple quantities.
A functional equation
two inputs
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.
Algebraic number theory
19. Together with geometry - analysis - topology - combinatorics - and number theory - algebra is one of the main branches of
Rotations
Pure mathematics
finitary operation
Identity
20. 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
identity element of addition
Elementary algebra
Solution to the system
Unknowns
21. An operation of arity k is called a
A functional equation
finitary operation
Repeated multiplication
k-ary operation
22. Is Written as a + b
Addition
Quadratic equations
A Diophantine equation
Order of Operations
23. Is Written as a
Repeated multiplication
Multiplication
A polynomial equation
Pure mathematics
24. Symbols that denote numbers - letters from the end of the alphabet - like ...x - y - z - are usually reserved for the
Variables
Quadratic equations can also be solved
Algebraic combinatorics
range
25. Division ( / )
inverse operation of Multiplication
Quadratic equations
The real number system
Vectors
26. 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
Associative law of Exponentiation
Algebraic geometry
The operation of addition
27. The values for which an operation is defined form a set called its
Vectors
transitive
domain
A polynomial equation
28. Is a function of the form ? : V ? Y - where V ? X1
Pure mathematics
substitution
An operation ?
Equation Solving
29. 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.
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30. Are true for only some values of the involved variables: x2 - 1 = 4.
A solution or root of the equation
Operations
Conditional equations
Repeated addition
31. Are denoted by letters at the end of the alphabet - x - y - z - w - ...
Unknowns
equation
logarithmic equation
then bc < ac
32. Is an equation involving a transcendental function of one of its variables.
A transcendental equation
A Diophantine equation
Algebraic combinatorics
reflexive
33. The process of expressing the unknowns in terms of the knowns is called
Solving the Equation
then bc < ac
Reunion of broken parts
Number line or real line
34. In which properties common to all algebraic structures are studied
Expressions
logarithmic equation
Universal algebra
The simplest equations to solve
35. Is an action or procedure which produces a new value from one or more input values.
Knowns
an operation
Identity element of Multiplication
range
36. Can be combined using the function composition operation - performing the first rotation and then the second.
Rotations
Reflexive relation
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.
Order of Operations
37. 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
Unknowns
The relation of equality (=) has the property
Categories of Algebra
38. The codomain is the set of real numbers but the range is the
Abstract algebra
The relation of equality (=) has the property
Operations on functions
nonnegative numbers
39. Implies that the domain of the function is a power of the codomain (i.e. the Cartesian product of one or more copies of the codomain)
logarithmic equation
operation
Linear algebra
The simplest equations to solve
40. Referring to the finite number of arguments (the value k)
an operation
then a + c < b + d
finitary operation
Properties of equality
41. 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.
Reunion of broken parts
The central technique to linear equations
has arity two
Algebraic equation
42. 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
when b > 0
Algebraic equation
Operations on sets
The method of equating the coefficients
43. 0 - which preserves numbers: a + 0 = a
identity element of addition
the fixed non-negative integer k (the number of arguments)
transitive
Solving the Equation
44. A mathematical statement that asserts the equality of two expressions - this is written by placing the expressions on either side of an equals sign (=).
Change of variables
Solution to the system
operation
equation
45. Elementary algebra - Abstract algebra - Linear algebra - Universal algebra - Algebraic number theory - Algebraic geometry - Algebraic combinatorics
Repeated multiplication
Categories of Algebra
operation
has arity one
46. An operation of arity zero is simply an element of the codomain Y - called a
Categories of Algebra
The relation of equality (=)
nullary operation
associative law of addition
47. Include composition and convolution
Solving the Equation
Operations on functions
then a < c
range
48. 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.
the fixed non-negative integer k (the number of arguments)
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.
then bc < ac
Properties of equality
49. Can be expressed in the form ax^2 + bx + c = 0 - where a is not zero (if it were zero - then the equation would not be quadratic but linear).
scalar
A functional equation
Quadratic equations
Unknowns
50. Is algebraic equation of degree one
The method of equating the coefficients
Operations
A linear equation
Identities