Mathematics Formula Sheet & Explanation - GED Testing Service

Loading...

2014 GED® Test Resources

Mathematics Formula Sheet & Explanation The 2014 GED® Mathematical Reasoning test contains a formula sheet, which displays formulas relating to geometric measurement and certain algebra concepts. Formulas are provided to testMathematics Formula Sheet takers so that   they may focus on application, rather than the memorization, of formulas. Area of a:

2

square

A=s

rectangle

A = lw

parallelogram

A = bh

triangle trapezoid

A =  bh

circle

A = πr

! ! !

A = h(b1 + b2) !

2

Perimeter of a: square rectangle triangle Circumference of a circle

P = 4s P = 2l + 2w P = s1 + s2 + s3 C = 2πr OR C = πd; π ≈ 3.14

Surface area and volume of a: rectangular prism

SA = 2lw + 2lh + 2wh

V = lwh

right prism

SA = ph + 2B

V = Bh

cylinder

SA = 2πrh + 2πr !

pyramid

2

SA = ps + B !

cone

SA = πrs + πr

sphere

SA = 4πr

2

V = πr h !

V = Bh 2

2

! !

2

V = πr h ! !

V = πr

3

!

(p = perimeter of base with area B; π ≈ 3.14)

Data mean

mean is equal to the total of the values of a data set, divided by the number of elements in the data set

median

median is the middle value in an odd number of ordered values of a data set, or the mean of the two middle values in an even number of ordered values in a data set

Algebra slope of a line 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 = ax + bx + c

quadratic formula Pythagorean theorem

2

−! ± ! ! − 4!" 2! 2 2 2 a +b =c !=

simple interest

I = Prt (I = interest, P = principal, r = rate, t = time)

distance formula

d = rt

total cost

total cost = (number of units) × (price per unit)

  GEDtestingservice.com | GED.com GED® and GED Testing Service® are registered trademarks of the American Council on Education. They may not be used or reproduced without the express written permission of ACE or GED Testing Service. The GED® and GED Testing Service® brands are administered by GED Testing Service LLC under license from the American Council on Education. Copyright © 2014 GED Testing Service LLC. All rights reserved.

Loading...

Mathematics Formula Sheet & Explanation - GED Testing Service

2014 GED® Test Resources Mathematics Formula Sheet & Explanation The 2014 GED® Mathematical Reasoning test contains a formula sheet, which displays f...

223KB Sizes 10 Downloads 27 Views

Recommend Documents

Assessment - GED Testing Service
4. Assessment Guide for Educators: Science. CHAPTER. Assessment Targets. 1. Assessment Targets for Science. The GED® te

Formula Sheet
CL's Handy. Formula Sheet. (Useful formulas from Marcel Finan's FM/2 Book). Compiled by Charles Lee. 8/19/2010 ... Perpe

Exploring the 2014 GED® Test Webinar Archive - GED Testing Service
Download the Certificate of Completion once you've watched the webinar. Math Functions – Why Do I Need to Know About T

Video Training for Authorized Test Centers - GED Testing Service
de 2014 de Ciencia cubre todas las destrezas de prácticas científicas listadas en la columna de la izquierda a continu

Formula Sheet for Financial Mathematics - George Brown College
Formula Sheet for Financial Mathematics. Tutoring and Learning Centre, George Brown College 2014 www.georgebrown.ca/tlc.

Net Cash Flow - Full Explanation, Formula, & Example
Net cash flow refers to the difference between a company's cash inflows and outflows in a given period. In the strictest

Direct materials price variance - explanation, formula, reasons
Direct materials price and quantity standards are set after keeping in mind the current market prices and anticipated ch

Payback method - formula, example, explanation, advantages
When net annual cash inflow is even (i.e., same cash flow every period), the payback period of the project can be comput

Online Accredited GED | GED Study Guide
Online PrOgrams Offering Unauthorized geD Credentials I thought I earned my GED certificate online, but instead I was de

Surface area formula - Basic mathematics
Linear Parent Function. Nov 20, 17 11:18 AM. What is a linear parent function? Crystal clear explanation. Read More. New