grade 8 number theory

Question: The tenth term and the common difference of an AP are 22 and 3. Find the first term and the n t h term. Answer: To find a: t n = a + (n-1) d = -5 + (n-1)3 = -5 + 3n - 3 = 3n - 8..

Question: Compute Answer: ..

A set containing 2,3,5,7,8 is Written as {2,3,5,7,8} in Roster metho..

Square root of a negative number is known as an imaginary number. a > 0 is an imaginary number. or A number whose square is negative is known as an imaginary number. . . . The symbol i, We writ..

Rational and Irrational Numbers..

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Introduction - The sets of numbers which every student must remember are: The set of natural numbers N = {1, 2, 3, 4, 5, } The set of whole numbers W = {0, 1, 2, 3, 4, 5,} The set of integers Z = I = {, -3, -2, -1, 0, 1, 2, 3,} The set of rational numbers Q T..

a) 2:5 > 3:8 as 2x8 > 5x3 b) 2:5 < 5:7 as 2x7 < ..

Using matrix method solve the following systems of linear equations 2x - y + z = -3 3x - z = - 8 2x + 6y ..

They are integers that differ from each other by one, e.g., 8, 9, 10 are consecutive integers, also 180, 179, 178, 177 are consecutive intege..