Grade 8 Formula Sheet You may use the following formulas to solve problems on this test. Pythagorean

2

theorem Distance formula

Slope of a line

Slope-intercept form Point-slope form

2

a +b =c

d=

2

( x 2 − x1 )2 + ( y 2 − y1 )2 m=

y 2 − y1 x 2 − x1

y = mx + b

y − y 1 = m( x − x 1 )

Standard form

Ax + By = C

Arithmetic

f ( x ) = mx + b

sequence Geometric sequence

f ( x ) = a( b)

x