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Grade 7 Chapter 4

Exponents and Roots

QuestionAnswer
base when a number is raised to a power
Density Property between any two numbers there is always another real number
exponent the number that indicates how many times the base is used as a factor
exponential form a number written with a base and an exponent
hypotenuse in a right triangle the side opposite the right angle
irrational number a number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal
leg in a right triangle the sides that include the right angle
perfect square a square of a whole number
power a number produced by raising a base to an exponent
principal square root the non-negative square root of a number
Pythagorean Theorem in a right triangle a squared + b squared = c squared
real number a rational or irrational number
scientific notation a method of writing very large or very small numbers using powers of 10
Created by: bookannelid
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