
Example Proofs
... An integer n is even if and only if there exists another integer r such that n = 2*r. An integer n is odd if and only if there exists another integer r such that n = (2*r) + 1 If y | x, which is read as “x is divisible by y”, or “y divides evenly into x”, then x = yc, for some integer c. Remember in ...
... An integer n is even if and only if there exists another integer r such that n = 2*r. An integer n is odd if and only if there exists another integer r such that n = (2*r) + 1 If y | x, which is read as “x is divisible by y”, or “y divides evenly into x”, then x = yc, for some integer c. Remember in ...
Homework 8: One-time Pad Encryption in Machine Code 02
... In class, we saw one example of f as the middle-square function, and we will see a possible definition of f in a moment. R0 is the seed, and when you call rand.Seed(), you are setting the value of R0 . When you ask for a new random number (using, e.g., rand.Int()), Go takes the current random number ...
... In class, we saw one example of f as the middle-square function, and we will see a possible definition of f in a moment. R0 is the seed, and when you call rand.Seed(), you are setting the value of R0 . When you ask for a new random number (using, e.g., rand.Int()), Go takes the current random number ...
UI Putnam Training Sessions Problem Set 18: Polynomials, II
... integer coefficients that cyclically permutes these values, i.e., that satisfies P (a) = b, P (b) = c, and P (c) = a. (Hints: Try first a concrete case, e.g., with a = 1, b = 2, c = 3. Use congruences or the factor theorem to show that there is no polynomial satisfying P (1) = 2, P (2) = 3, P (3) = ...
... integer coefficients that cyclically permutes these values, i.e., that satisfies P (a) = b, P (b) = c, and P (c) = a. (Hints: Try first a concrete case, e.g., with a = 1, b = 2, c = 3. Use congruences or the factor theorem to show that there is no polynomial satisfying P (1) = 2, P (2) = 3, P (3) = ...
STANDARD 5
... 29. Suppose you have four books to place on a bookshelf. How many different ways can you order these books? a) 12 b) 16 c) 24 d) 36 ...
... 29. Suppose you have four books to place on a bookshelf. How many different ways can you order these books? a) 12 b) 16 c) 24 d) 36 ...
What is a square number?
... 1. Make a list of the square numbers in order. 2. How many are we adding to get from the first square number to the second square number? 3. How many are we adding to get from the second square number to the third square number? 4. Is there a pattern in the numbers we are adding? Reflection: Is ther ...
... 1. Make a list of the square numbers in order. 2. How many are we adding to get from the first square number to the second square number? 3. How many are we adding to get from the second square number to the third square number? 4. Is there a pattern in the numbers we are adding? Reflection: Is ther ...
Elementary mathematics
Elementary mathematics consists of mathematics topics frequently taught at the primary or secondary school levels. The most basic topics in elementary mathematics are arithmetic and geometry. Beginning in the last decades of the 20th century, there has been an increased emphasis on problem solving. Elementary mathematics is used in everyday life in such activities as making change, cooking, buying and selling stock, and gambling. It is also an essential first step on the path to understanding science.In secondary school, the main topics in elementary mathematics are algebra and trigonometry. Calculus, even though it is often taught to advanced secondary school students, is usually considered college level mathematics.