Grade 11 PSSA Formula Sheet by Gourlem

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Formulas that you may need to work questions on this test are found below. You may refer to this page at any time during the mathematics test. You may use calculator Q or the number 3.14. P 
 2l A 
 lw l 2006 Grade 11

2007 Grade 11 Formula Sheet

w

2w w SA 
 2l w V 
 lwh

h

a b 2l h 2wh

c

Pythagorean Theorem :

a2

b2 
 c2

l

Permutations :

P(n, r) 


n! (n n! r)!

h b

A 
 bh

SA 
 4Q r 2 r V 
 4 Qr 3 3
Combinations :

C(n, r) 


r!(n

r)!

Distance Formula :

d 
 ¯(x 2 a h b h r P
b c h b d A 
 1 bh 2 c d SA 
 Q r
2 Slope :

x 1)2

(y2

y 1)2

h A 
 1 h(a 2 b)

SA 
 2Q r 2 V 
 Qr2 h

2Q rh
Midpoint :

Æx

1

x2 2

,

y1 2

y2

É

r

y m 
 x2
2

y1 x1

Qr

¯r

Point-Slope Formula : 2

h

2

(y

y1 ) 
 m( x

x1 )

V 
 1 Qr2 h 3
Slope-Intercept Formula :

y 
 mx h ç
Standard Equation of a Line :

b

b r C 
 2Q r A 
 Qr2
base

Ax

By 
 C

SA 
 (Area of the base) 1 2 ç (number of base sides)(b) V 
 1 (Area of the base) ¢ h 3

Copyright ©2005 by the Pennsylvania Department of Education. The materials contained in this publication may Page 4 be duplicated by Pennsylvania educators for local classroom use. This permission does not extend to the duplication of materials for commercial use.

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