Algebra 1 EOC Brain Dump FY 24

Slope

m

Axis of symmetry

x = -b / 2a

Rate of change

(y2 - y1) / (x2 - x1)

Parallel Lines

same slope

Perpendicular Lines

opposite reciprocal slopes

Domain

all x values (input)

Range

all y values (output)

Percent to Decimal

divide by 100

Decimal to Percent

multiply by 100

Perimeter of Rectangle

P = 2L + 2W

Area of Rectangle

A = L * W

Correlation coefficient

−1 ≤ r ≤ 1

Interquartile Range

IQR = Q3 - Q1

Y Intercept

C

Vertex

(h,k)

P and Q

Are opposite signs

Exponential Form

A= Y Intercept

B= Base

Growth

Greater than 1

Decay

Less than 1

Quadratic Formula

Solves for roots and x intercepts

Residual

actual - predicted

Range

Min - Max

Big X Method

B

Y Intercept

Point Slope Form

Shows a point on the line (x1,y1)

Standard Form

Shows x and y intercepts (C/X = X intercept) (C/Y = Y intercept)

Greater Than >

Open Circle / Dotted Line

Less Than <

Open Circle / Dotted Line

greater than or equal to

Close circle/ Solid line

less than or equal to

Close circle/ Solid line