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# 6 Weeks Test

### This is a StudyStack for the annual 6 Weeks Math Test

What are real numbers? All numbers on the number line, including irrational numbers
What are rational numbers? Ratios of integers or fractions that either terminate or repeat
What are natural numbers? Counting numbers
What are whole numbers? Counting numbers and zero
What are integers? Whole numbers and their negatives?
What are irrational numbers? Numbers that cannot be written as a fraction (repeating decimals, PI, or the square root of 2)
How are rational numbers expressed in decimal form? TOP/BOTTOM
How are irrational numbers expressed in decimal form? YOU THOUGHT! You can't do this!
How are fractions changed to decimals? TOP/BOTTOM
What is an exponent? An exponent is a number that signifies the how many times a number is multiplied by the base
What is a radical sign? ( \|-----) This indicates the square root
What is a perfect square? A number that is multiplied by itself (A whole number)
What is the square root of a number that is not a perfect square? A decimal
What does it mean to cube a number? A number multiplied by itself, three times
What is cube root? A number that is divided by itself three times
What is the symbol for A) square root B) a cube root C) is approximately to? A= \|``````` B=x (2) C) ~ ~
List the first 15 perfect squares? 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81 , 100 , 121 , 144 , 169 , 196 , 225
Name the first perfect cubes 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000
How are the sides of a right triangle labeled? The legs- a&b
What is the Pythagorean Theorum? The sum of the square of the legs of the right triangle square of the hypotenuse
What is the converse of the Pythagorean Theorum? How to prove if it is a right triangle
What type of number(s) is the \|``6``` Real, irrational
What kind of number is 10/2 Integer, rational,real, national, and whole
4-(the negative 2nd power.) 1/16
Created by: gbcaudi1