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Test your basic knowledge |
CLEP General Math: Number Sense - Patterns - Algebraic Thinking
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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. If we start with a number x and add a number a - then subtracting a from the result will return us to the original number x. x + a - a = x. so -
The inverse of addition is subtraction
a · c = b · c for c does not equal 0
Bijection
Central Limit Theorem
2. A way to extrinsically measure the curvature of a surface by looking at a given point and finding the contour line with the greatest curvature and the contour line with the least curvature.
Dimension
a divided by b
Greatest Common Factor (GCF)
Principal Curvatures
3. A number is divisible by 2
Permutation
Countable
if it is an even number (the last digit is 0 - 2 - 4 - 6 or 8)
Greatest Common Factor (GCF)
4. If we start with a number x and multiply by a number a - then dividing the result by the number a returns us to the original number x. In symbols - a
B - 125 = 1200
The inverse of multiplication is division
Primes
Answer the Question
5. Positive integers are
Galois Theory
counting numbers
a divided by b
Complete Graph
6. A(b + c) = a · b + a · c a(b - c) = a · b - a · c
Set up a Variable Dictionary.
Hyperland
Distributive Property:
Primes
7. Are the fundamental building blocks of arithmetic.
Dividing both Sides of an Equation by the Same Quantity
Primes
Galton Board
Genus
8. (a
Division is not Commutative
Rarefactior
Division is not Associative
Multiplicative Inverse:
9. Uses second derivatives to relate acceleration in space to acceleration in time.
Division is not Commutative
Extrinsic View
Wave Equation
Expected Value
10. Every whole number can be uniquely factored as a product of primes. This result guarantees that if the prime factors are ordered from smallest to largest - everyone will get the same result when breaking a number into a product of prime factors.
if it is an even number (the last digit is 0 - 2 - 4 - 6 or 8)
Figurate Numbers
Answer the Question
Unique Factorization Theorem
11. A
Bijection
Division is not Commutative
Periodic Function
bar graph
12. 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
Look Back
The Set of Whole Numbers
Variable
13. If grouping symbols are nested
Standard Deviation
Continuous
evaluate the expression in the innermost pair of grouping symbols first.
Look Back
14. You must always solve the equation set up in the previous step.
Standard Deviation
Pigeonhole Principle
Solve the Equation
The Riemann Hypothesis
15. 1. Find the prime factorizations of each number. To find the prime factorization one method is a factor tree where you begin with any two factors and proceed by dividing the numbers until all the ends are prime factors. 2. Star factors which are shar
A number is divisible by 10
inline
Least Common Multiple (LCM)
˜
16. Codifies the 'average behavior' of a random event and is a key concept in the application of probability.
Expected Value
Exponents
Denominator
˜
17. Our standard notions of Pythagorean distance and angle via the inner product extend quite nicely from three-space.
Multiplying both Sides of an Equation by the Same Quantity
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
Topology
In Euclidean four-space
18. This method can create a flat map from a curved surface while preserving all angles in any features present.
Stereographic Projection
A prime number
Law of Large Numbers
A number is divisible by 5
19. Points in two-dimensional space require two numbers to specify them completely. The Cartesian plane is a good way to envision two-dimensional space.
Transfinite
1. Set up a Variable Dictionary. 3. Solve the Equation. 4. Answer the Question. 5. Look Back.
Flat Land
Law of Large Numbers
20. A way to measure how far away a given individual result is from the average result.
Greatest Common Factor (GCF)
Public Key Encryption
Set up a Variable Dictionary.
Standard Deviation
21. Topological objects are categorized by their _______ (number of holes). The genus of a surface is a feature of its global topology.
Division is not Commutative
Genus
a divided by b
A number is divisible by 10
22. The expression a^m means a multiplied by itself m times. The number a is called the base of the exponential expression and the number m is called the exponent. The exponent m tells us to repeat the base a as a factor m times.
Irrational
Exponents
Fourier Analysis
Topology
23. Instruments produce notes that have a fundamental frequency in combination with multiples of that frequency known as partials or overtones
Equivalent Equations
a
Modular Arithmetic
Overtone
24. If a = b then
a - c = b - c
Non-Euclidian Geometry
˜
Markov Chains
25. The process of taking a complicated signal and breaking it into sine and cosine components.
Configuration Space
In Euclidean four-space
Non-Orientability
Fourier Analysis
26. W = {0 - 1 - 2 - 3 - 4 - 5 - . . .} is called
Geometry
Associative Property of Multiplication:
The Set of Whole Numbers
repeated addition
27. An arrangement where order matters.
The Multiplicative Identity Property
bar graph
Permutation
Hypersphere
28. Rules for Rounding - To round a number to a particular place - follow these steps:
bar graph
Conditional Probability
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
if it is an even number (the last digit is 0 - 2 - 4 - 6 or 8)
29. This famous - as yet unproven - result relates to the distribution of prime numbers on the number line.
Primes
The Riemann Hypothesis
a + c = b + c
Composite Numbers
30. Dimension is how mathematicians express the idea of degrees of freedom
Dimension
a · c = b · c for c does not equal 0
Division by Zero
Box Diagram
31. Is the shortest string that contains all possible permutations of a particular length from a given set.
De Bruijn Sequence
Continuous
Solution
Hyperbolic Geometry
32. This ubiquitous result describes the outcomes of many trials of events from a wide array of contexts. It says that most results cluster around the average with few results far above or far below average.
Multiplication by Zero
Normal Distribution
the set of natural numbers
1. Set up a Variable Dictionary. 3. Solve the Equation. 4. Answer the Question. 5. Look Back.
33. The inverse of multiplication
division
General Relativity
Commutative Property of Addition:
Division by Zero
34. 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
Multiplying both Sides of an Equation by the Same Quantity
Look Back
Fourier Analysis and Synthesis
Fundamental Theorem of Arithmetic
35. ____________ theory enables us to use mathematics to characterize and predict the behavior of random events. By 'random' we mean 'unpredictable' in the sense that in a given specific situation - our knowledge of current conditions gives us no way to
a · c = b · c for c does not equal 0
Probability
Solution
each whole number can be uniquely decomposed into products of primes.
36. A point in one dimension requires only one number to define it. The number line is a good example of a one-dimensional space.
Hypersphere
Line Land
Irrational
Stereographic Projection
37. A way to analyze sequences of events where the outcomes of prior events affect the probability of outcomes of subsequent events.
Fundamental Theorem of Arithmetic
a + c = b + c
Markov Chains
if it is an even number (the last digit is 0 - 2 - 4 - 6 or 8)
38. 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.
˜
The BML Traffic Model
Galton Board
counting numbers
39. × - ( )( ) - · - 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
Bijection
Division by Zero
Multiplication
Equivalent Equations
40. Does not change the solution set. That is - if a = b - then multiplying both sides of the equation by c produces the equivalent equation a
Multiplying both Sides of an Equation by the Same Quantity
Dividing both Sides of an Equation by the Same Quantity
Equivalent Equations
The Commutative Property of Addition
41. The study of shape from an external perspective.
Associate Property of Addition
Extrinsic View
inline
Commutative Property of Multiplication:
42. A point in three-dimensional space requires three numbers to fix its location.
Equation
Spaceland
Fundamental Theorem of Arithmetic
Bijection
43. 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
Answer the Question
evaluate the expression in the innermost pair of grouping symbols first.
Solve the Equation
44. Every solution to a word problem must include a carefully crafted equation that accurately describes the constraints in the problem statement.
General Relativity
The inverse of multiplication is division
Set up an Equation
each whole number can be uniquely decomposed into products of primes.
45. A whole number (other than 1) is a _____________ if its only factors (divisors) are 1 and itself. Equivalently - a number is prime if and only if it has exactly two factors (divisors).
Prime Number
Overtone
Properties of Equality
Division is not Associative
46. 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
Complete Graph
Hypersphere
Non-Orientability
Probability
47. An object possessing continuous symmetries can remain invariant while one symmetry is turned into another. A circle is an example of an object with continuous symmetries.
Irrational
Continuous Symmetry
Cardinality
Genus
48. When comparing two whole numbers a and b - only one of three possibilities is true: a < b or a = b or a > b.
Comparison Property
The Additive Identity Property
Primes
Prime Deserts
49. An equation is a numerical value that satisfies the equation. That is - when the variable in the equation is replaced by the solution - a true statement results.
Torus
Set up an Equation
Irrational
Solution
50. In this type of geometry the angles of a triangle add up to less than 180 degrees. In such a system - one has to replace the parallel postulate with a version that admits many parallel lines.
Hyperbolic Geometry
variable
Pigeonhole Principle
Spherical Geometry