MAT092 Formula Sheet 2 bh = bh

MAT092 Formula Sheet
Revised Fall 2015
Area (units squared)
Triangle
Rectangle
Parallelogram
A = lw
A = bh
Square
Circle
𝐴 = 𝑠2
A = Ο€r2
Rectangular Solid Sphere
Cube
Sphere
V = lwh
𝐴 = 𝑠3
4
𝑉 = πœ‹π‘Ÿ 3
3
Cylinder
Cone
Pyramid
𝑉 = πœ‹π‘Ÿ 2 β„Ž
1
𝑉 = πœ‹π‘Ÿ 2 β„Ž
3
1
𝑉 = π‘™π‘€β„Ž
3
A=
1
2
bh =
bh
2
Trapezoid
1
ο‚ ο€ 
𝐴 = 2 β„Ž(𝑏1 + 𝑏2 )
ο‚ ο€ 
Volume (units cubed)
Surface Area (units squared)
Rectangular Solid
Cylinder
SA = 2lw + 2lh + 2wh
SA = 2Ο€r2 + 2Ο€rh
Graphing
Slope
Slope Intercept Form
Standard Form
y = mx + b
𝐴π‘₯ + 𝐡𝑦 = 𝐢
Point-Slope Form
Midpoint
Distance
𝑦 βˆ’ 𝑦1 = π‘š(π‘₯ βˆ’ π‘₯1 )
 x1  x2 y1  y2 οƒΆο€ 
,
 2
2 οƒΈο€ 
d ο€½ (x2 ο€­ x1 ) 2  (y2 ο€­ y1 ) 2
mο€½
ο‚ ο€ 
y2 ο€­ y1
x 2 ο€­ x1
Perimeter
Rectangle
ο‚ ο€ 
P = 2l + 2w
Square
ο‚ ο€ 
Circle (Circumference)
𝑃 = 4𝑠
C = Ο€d or C = 2Ο€r (d = 2r)
Triangle Formulas
Degrees
Pythagorean Theorem
m(A)  m(B)  m(C) ο€½ 180
c2 = a2 + b2
Factoring Polynomials
ο‚ ο€ 
Sum and Difference of Two Cubes
Difference of two Squares
Perfect Square Trinomial
π‘Ž3 + 𝑏3 = (π‘Ž + 𝑏)(π‘Ž2 βˆ’ π‘Žπ‘ + 𝑏2 )
π‘Ž3 βˆ’ 𝑏3 = (π‘Ž βˆ’ 𝑏)(π‘Ž2 + π‘Žπ‘ + 𝑏2 )
π‘Ž2 βˆ’ 𝑏2 = (π‘Ž βˆ’ 𝑏)(π‘Ž + 𝑏)
π‘Ž2 + 2π‘Žπ‘ + 𝑏2 = (π‘Ž + 𝑏)2
π‘Ž2 βˆ’ 2π‘Žπ‘ + 𝑏2 = (π‘Ž βˆ’ 𝑏)2
Quadratic Formula
π‘₯=
βˆ’π‘ ± βˆšπ‘ 2 βˆ’ 4π‘Žπ‘
2π‘Ž