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Rational or Irrational?
Rational or Irrational?

PPT for Section 2.4, 2.5, 2.6, 2.7
PPT for Section 2.4, 2.5, 2.6, 2.7

...  Locate the digit just to the right of the place you want to round off to  If that digit is less than 5, then omit it and all other remaining numbers to its. The digit to its left remain as it is.  If that digit is greater than 5 or equal to 5, then omit it and all other remaining numbers to its ...
Chapter 5: Understanding Integer Operations and Properties
Chapter 5: Understanding Integer Operations and Properties

Unit 1: Extending the Number System
Unit 1: Extending the Number System

... properties of circles, including central and inscribed angles, chords of a circle, and tangents of a circle. Then you build on this to explore polygons circumscribed and inscribed in a circle. You will then learn about the properties and construction of tangent lines. The measurement units of radian ...
2.2 Magic with complex exponentials
2.2 Magic with complex exponentials

teaching complex numbers in high school
teaching complex numbers in high school

... Suppose that i ϵ R. Then we know that i is greater than zero, equal to zero, or less than zero. If we take i to be greater than zero, then i2 = i ∙ i > 0 since the product of two positive numbers is positive. That is, -1 > 0 which is false. Therefore, i cannot greater than 0. Similar contradictions ...
Decimals
Decimals

Multiplying Fractions
Multiplying Fractions

... denominator of the second fraction by the GCF of them. Cross them out and put the quotient of each of them in their place. Then do the same with the denominator of the first fraction with the numerator of the second fraction. Finally multiply the fractions with the new numerators and denominators to ...
complex number
complex number

02-Binary Arithmetic
02-Binary Arithmetic

4 - Sets of Real Numbers
4 - Sets of Real Numbers

... m and n are integers, then their sum m + n is also an integer. · Closed under Additive Inverses: If m ∈ Z, then there exists another integer (namely, −m ∈ Z) such that m + (−m) = 0. · Closed under Multiplication: If m, n ∈ Z, then m · n ∈ Z. In other words, if m and n are integers, then their produc ...
Full text
Full text

2012 Gauss Contests - CEMC
2012 Gauss Contests - CEMC

... 20. If either Chris or Mark says, “Tomorrow, I will lie.” on a day that he tells a lie, then it actually means that tomorrow he will tell the truth (since he is lying). This can only occur when he lies and then tells the truth on consecutive days. For Chris, this only happens on Sunday, since he lie ...
01 Complex numbers 1 Powerpoint
01 Complex numbers 1 Powerpoint



... is 15 left over. This can be written as a whole number and a fraction 1 15 . This representation is called a mixed number. ...
36 it follows that x4 − x2 + 2 ̸= 0. 11. Proof. Consider the number
36 it follows that x4 − x2 + 2 ̸= 0. 11. Proof. Consider the number

... 2. Proof. Assume, to the contrary, that 100 can be expressed as the sum of three odd integers, say x, y and z. Then x = 2a + 1, y = 2b + 1 and z = 2c + 1 for integers a, b and c. Thus 100 = x + y + z = (2a + 1) + (2b + 1) + (2c + 1) = 2(a + b + c + 1) + 1. Since a + b + c + 1 is an integer, 100 is o ...
Full text
Full text

Document
Document

Theorem 1. Every subset of a countable set is countable.
Theorem 1. Every subset of a countable set is countable.

... We draw attention to a simple principle, which can be used to prove many of the usual and important theorems on countabilty of sets. We formulate it as the Countability Lemma. Suppose to each element of the set A there is assigned, by some definite rule, a unique natural number in such a manner that ...
Model Solutions
Model Solutions

Find complements of 10 (D–2) - CESA 5 Math
Find complements of 10 (D–2) - CESA 5 Math

hexadecimal-to-decimal conversion
hexadecimal-to-decimal conversion

... results in a carry beyond 8-bits in the binary representation and a carry beyond two digits in the hexadecimal representation. When doing arithmetic using fixed length numbers these carrys are potentially lost. ...
Add, Subtract, and Multiply Whole Numbers and Decimals
Add, Subtract, and Multiply Whole Numbers and Decimals

Computing with Floating Point Numbers
Computing with Floating Point Numbers

... Problem 2.1.15. How many SP numbers are in each binade? Sketch enough of the positive real number line so that you can place marks at the endpoints of each of the SP binades 3, 2, 1, 0, 1, 2 and 3. What does this sketch suggest about the spacing between consecutive positive SP numbers? Problem 2.1.1 ...
Complex number
Complex number

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Number

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