PSAT Math Formulas

Front

The formula for interior degrees in a polygon

(e.g. # degrees in a pentagon)

Back

Front

Point-Slope Formula of a line

Back

Front

General form of a quadratic

Back

Front

Vertex form of a quadratic

Back

Front

X-value of the vertex of a quadratic

(aka axis of symmetry)

Back

Front

Discriminant formula

Back

Tags

CCSS.HSA-REI.B.4B

Front

What do the following mean?

a) Quadratic has 2 roots (solutions)

b) Quadratic has 1 root (solution)

c) Quadratic has no roots (solutions)

Back

Tags

CCSS.HSA-REI.B.4B

Front

Median

Back

Middle term when listed from least to greatest

Tags

CCSS.6.SP.B.5C

Front

Mean

Back

Tags

CCSS.6.SP.B.5C

Front

Mode

Back

The most common value

e.g. The mode is 2 for (1, 2, 2, 6, 19)

Tags

CCSS.6.SP.B.5C