SAT Math Vocab

Inclusive

Including the end points of a given set of values

Complex number

the sum of a real number and an imaginary number

Imaginary Numbers

An imaginary number is the product of a real number and the imaginary unit i

Product exponent rule

x^a * x^b= x^(a+b)

Quoteint exponent rule

x^a/x^b=x^(a-b)

Perpendicular Bisecgor

A line that divides another line segment into two equal parts intersecting at 90 degrees

Polygon

A closed figure with at least three straight sides and angles

Quadrilateral

Any closed four sided figure including a rectangle square trapezoid and parallelogram

Trapezoid

A quadrilateral with only one pair of parallel sides

Standard Deviation

A measurement of the difference between the set’s mean and its values

Modulus

The distance a complex number is away from the origin