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Test your basic knowledge |
CLEP General Math: Number Sense - Patterns - Algebraic Thinking
Start Test
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 sphere can be thought of as a stack of circular discs of increasing - then decreasing - radii. The process of slicing is one way to visualize higher-dimensional objects via level curves and surfaces. A hypersphere can be thought of as a 'stack' of
Hyperbolic Geometry
Hypersphere
Solution
Irrational
2. Positive integers are
Division by Zero
Countable
counting numbers
Additive Inverse:
3. Means approximately equal.
Distributive Property:
˜
Geometry
Unique Factorization Theorem
4. A way to analyze sequences of events where the outcomes of prior events affect the probability of outcomes of subsequent events.
Markov Chains
Stereographic Projection
Transfinite
Division is not Commutative
5. 1. Any two points can be joined by a straight line. 2. Any straight line segment can be extended indefinitely in a straight line. 3. Given any straight line segment - a circle can be drawn having the segment as radius and one endpoint as center. 4. A
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6. A group is just a collection of objects (i.e. - elements in a set) that obey a few rules when combined or composed by an operation. In order for a set to be considered a group under a certain operation - each element must have an inverse - the set mu
Euler Characteristic
Permutation
Group
1. Mark the place you wish to round to. This is called the rounding digit . 2. Check the next digit to the right of your digit marked in step 1. This is called the test digit . If the test digit is greater than or equal to 5 - add 1 to the rounding d
7. If the sum of its digits is divisible by 3 (ex: 3591 is divisible by 3 since 3 + 5 + 9 + 1 = 18 is divisible by 3).
Bijection
Associative Property of Addition:
a · c = b · c for c does not equal 0
A number is divisible by 3
8. When writing mathematical statements - follow the mantra:
One equal sign per line
Denominator
the set of natural numbers
Additive Identity:
9. An instrument's _____ - the sound it produces - is a complex mixture of waves of different frequencies.
Multiplicative Inverse:
Tone
˜
Multiplication
10. A factor tree is a way to visualize a number's
left to right
Multiplicative Inverse:
prime factors
The inverse of addition is subtraction
11. Original Balance minus River Tam's Withdrawal is Current Balance
Spaceland
Associate Property of Addition
Continuous
B - 125 = 1200
12. In some ways - the opposite of a multitude is a magnitude - which is ___________. In other words - there are no well defined partitions.
Additive Identity:
˜
Continuous
Pigeonhole Principle
13. At each level of the tree - break the current number into a product of two factors. The process is complete when all of the 'circled leaves' at the bottom of the tree are prime numbers. Arranging the factors in the 'circled leaves' in order. The fina
Factor Trees
Modular Arithmetic
Additive Inverse:
counting numbers
14. Adding the same quantity to both sides of an equation - if a = b - then adding c to both sides of the equation produces the equivalent equation a + c = b + c.
does not change the solution set.
Symmetry
One equal sign per line
Multiplicative Inverse:
15. Used to display measurements. The measurement was taken is placed on the horizontal axis - and the height of each bar equals the amount during that year.
bar graph
Additive Identity:
Properties of Equality
Irrational
16. Two equations if they have the same solution set.
Equivalent Equations
1. Find a relationship between the first and second numbers. 2. Then we see if the relationship is true for the second and third numbers - the third and fourth - and so on.
perimeter
Cayley's Theorem
17. Non-Euclidean geometries abide by some - but not all of Euclid's five postulates.
Non-Euclidian Geometry
Dividing both Sides of an Equation by the Same Quantity
Line Land
The inverse of subtraction is addition
18. This method can create a flat map from a curved surface while preserving all angles in any features present.
division
Stereographic Projection
Symmetry
evaluate the expression in the innermost pair of grouping symbols first.
19. Uses second derivatives to relate acceleration in space to acceleration in time.
Composite Numbers
Set up an Equation
A number is divisible by 10
Wave Equation
20. Of central importance in Ramsey Theory - and in combinatorics in general - is the 'pigeonhole principle -' also known as Dirichlet's box. This principle simply states that we cannot fit n+1 pigeons into n pigeonholes in such a way that only one pigeo
Products and Factors
Symmetry
Pigeonhole Principle
Commutative Property of Multiplication
21. If a - b - and c are any whole numbers - then a
Overtone
The Associative Property of Multiplication
bar graph
The Multiplicative Identity Property
22. If grouping symbols are nested
evaluate the expression in the innermost pair of grouping symbols first.
Rarefactior
Irrational
Answer the Question
23. Division by zero is undefined. Each of the expressions 6
Division by Zero
Countable
The Multiplicative Identity Property
Irrational
24. The process of taking a complicated signal and breaking it into sine and cosine components.
One equal sign per line
Associate Property of Addition
Fourier Analysis
per line
25. TA model of a sequence of random events. Each marble that passes through the system represents a trial consisting of as many random events as there are rows in the system.
Hyperbolic Geometry
Galton Board
counting numbers
Associative Property of Addition:
26. A · b = b · a
Set up a Variable Dictionary.
Permutation
Commutative Property of Multiplication:
Irrational
27. A point in one dimension requires only one number to define it. The number line is a good example of a one-dimensional space.
inline
Line Land
division
Dimension
28. In this type of geometry the angles of a triangle add up to more than 180 degrees. In such a system - one has to replace the parallel postulate with a version that admits no parallel lines as well as modify Euclid's first two postulates.
Commutative Property of Multiplication:
Spherical Geometry
Stereographic Projection
The Associative Property of Multiplication
29. The surface of a standard 'donut shape'.
A number is divisible by 9
Dimension
Torus
Least Common Multiple (LCM)
30. Index p radicand
The index (which becomes the exponent when translating) is the number of times you multiply the number by itself to get radicand.
Wave Equation
Multiplication
Answer the Question
31. Also known as gluing diagrams - are a convenient way to examine intrinsic topology.
Geometry
Properties of Equality
Box Diagram
Markov Chains
32. A + 0 = 0 + a = a
Additive Identity:
Non-Euclidian Geometry
Solution
Continuous Symmetry
33. Let a and b represent two whole numbers. Then - a + b = b + a.
Commensurability
The Commutative Property of Addition
Tone
Irrational
34. The distribution of averages of many trials is always normal - even if the distribution of each trial is not.
Commutative Property of Multiplication
Public Key Encryption
Central Limit Theorem
Solve the Equation
35. If a = b then
Torus
Cayley's Theorem
a
Products and Factors
36. A · 1 = 1 · a = a
Variable
A number is divisible by 10
Box Diagram
Multiplicative Identity:
37. It is important to note that this step does not imply that you should simply check your solution in your equation. After all - it's possible that your equation incorrectly models the problem's situation - so you could have a valid solution to an inco
Fourier Analysis and Synthesis
The Kissing Circle
Look Back
Transfinite
38. If its final digit is a 0 or 5.
A number is divisible by 5
Rational
Stereographic Projection
Spherical Geometry
39. In any ratio of two whole numbers - expressed as a fraction - we can interpret the first (top) number to be the 'counter -' or numerator
Denominator
bar graph
In Euclidean four-space
Fourier Analysis
40. Is a path that visits every node in a graph and ends where it began.
1. Mark the place you wish to round to. This is called the rounding digit . 2. Check the next digit to the right of your digit marked in step 1. This is called the test digit . If the test digit is greater than or equal to 5 - add 1 to the rounding d
Hamilton Cycle
Configuration Space
Composite Numbers
41. The solutions to this gambling dilemma is traditionally held to be the start of modern probability theory.
Look Back
Rational
Commutative Property of Multiplication
Problem of the Points
42. A topological object that can be used to study the allowable states of a given system.
Pigeonhole Principle
Comparison Property
Set up an Equation
Configuration Space
43. Codifies the 'average behavior' of a random event and is a key concept in the application of probability.
One equal sign per line
The Prime Number Theorem
Expected Value
variable
44. Whether or not we hear waves as sound has everything to do with their _____________ - or how many times every second the molecules switch from compression to rarefaction and back to compression again - and their intensity - or how much the air is com
Configuration Space
Factor Tree Alternate Approach
Frequency
1. Find a relationship between the first and second numbers. 2. Then we see if the relationship is true for the second and third numbers - the third and fourth - and so on.
45. Every solution to a word problem must include a carefully crafted equation that accurately describes the constraints in the problem statement.
perimeter
Permutation
Set up an Equation
Invarient
46. If a = b then
Additive Inverse:
bar graph
a - c = b - c
Dimension
47. Solving Equations
Greatest Common Factor (GCF)
1. Simplify the expression on either side of the equation. 2. Gather the variable term on the left-hand side (LHS) by adding to both sides. the opposite of the variable term on the right-hand side (RHS). Note: either side is fine but we will consiste
Unique Factorization Theorem
Symmetry
48. If a = b then
Frequency
repeated addition
a + c = b + c
Hyperland
49. This result relates conserved physical quantities - like conservation of energy - to continuous symmetries of spacetime.
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50. × - ( )( ) - · - 1. Multiply the numbers (ignoring the signs)2. The answer is positive if they have the same signs. 3. The answer is negative if they have different signs. 4. Alternatively - count the amount of negative numbers. If there are an even
prime factors
Exponents
Poincare Disk
Multiplication