GED Test Mathematics Formula Sheet
Area of a:
| Parallelogram |
A=bh |
| Trapezoid |
A=12h(b1+b2) |
Surface Area and Volume of a:
| Rectangular/Right Prism |
SA=ph+2B |
V=Bh |
| Cylinder |
SA=2πrh+2πr2 |
V=πr2h |
| Pyramid |
SA=12ps+B |
V=13Bh |
| Cone |
SA=πr+πr2 |
V=13πr2h |
| Sphere |
SA=4πr2 |
V=43πr3 |
| |
p= perimeter of base B;π=3.14 |
Algebra:
| Slope of a line |
m=(Y2−Y1)(X2−X1) |
| Slope-intercept form of the equation of a line |
y=mx+b |
| Point-slope form of the Equation of a line |
y−y1=m(x−x1) |
| Standard form of a Quadratic equation |
y=ax2+bx+c |
| Quadratic formula |
x=−b±√b2−4ac2a |
| Simple interest |
I=Prt |
| |
(I = interest, p = principal, r = rate, t = time) |
