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Math Vocab

Math Chapter 9-10 Vocab

Square Root a number n is a number m such that m2= n
Perfect Square a number that is the square of an integer
Radical Expression an expression that involves a radical sign
Simplest form of a radical expression a radical expression is in simplest form when (1) no factor of the expression under the radical sign is a perfect square other than 1, and (2) there are no fractions under the radical sign and no radical sign in the denominator of any fraction
Hypotenuse the side of a right triangle that is opposite the right angle
Leg the two sides of a right triangle that form the right angle
Pythagorean Theorem for any right triangle, the sum of the squares of the lengths a and b of the legs equals the square of the length c of the hypotenuse: a2 + b2= c2
Irrational number a number that cannot be written as a quotient of two integers. The decimal form of an irrational number neither terminates nor repeats.
Real number the set of all rational numbers and irrational numbers
Polygon a closed plane figure who sides are segments that intersect only at their endpoints
Pentagon a 5-sided polygon
Hexagon a 6-sided polygon
Heptagon a 7-sided polygon
Octagon a 8-sided polygon
Quadrilateral a 4-sided polygon
Trapezoid a quadrilateral with exactly 1 pair of parallel sides
Parallelogram a quadrilateral with both pairs of opposite sides parallel
Rhombus a parallelogram with 4 congruent sides
Created by: VickieJ10