GRE · GRE

GRE Math Concepts

Core quantitative concepts including algebra, geometry, and data analysis tested on the GRE quantitative reasoning section.

40 cards · basic cards · AI-written, checked twice. Edit anything.

Study this set free Get FlashKeepers for iPhone
What is absolute value?
The distance of a number from zero on a number line; always non-negative
State the difference of squares formula
a^2 - b^2 = (a + b)(a - b)
What is the quadratic formula?
x = (-b +/- sqrt(b^2 - 4ac)) / 2a, for ax^2 + bx + c = 0
What are complementary angles?
Two angles whose measures sum to 90 degrees
What are supplementary angles?
Two angles whose measures sum to 180 degrees
What is the sum of interior angles in a triangle?
180 degrees
State the Pythagorean theorem
a^2 + b^2 = c^2, where c is the hypotenuse of a right triangle
What is the area formula for a triangle?
A = (1/2) * base * height
What is the circumference of a circle?
C = 2 * pi * r, or C = pi * d
What is the area of a circle?
A = pi * r^2
What is the area of a trapezoid?
A = (1/2) * (base1 + base2) * height
What is the perimeter of a rectangle?
P = 2 * length + 2 * width, or P = 2(l + w)
What is the volume of a rectangular box?
V = length * width * height
What is the median in a dataset?
The middle value when data is arranged in order; the 50th percentile
What is the mode in a dataset?
The value that appears most frequently

25 more cards in the app