2014 GED® Test Resources Mathematics Formula Sheet 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 testtakers so that they may focus on application, rather than the memorization, of formulas. Mathematics Formula Sheet Area of a: parallelogram A bh A 1 h b1 b2 2 trapezoid Surface Area and Volume of a: rectangular/right prism SA ph 2B SA 2rh 2r SA 1 ps B 2 cylinder pyramid V Bh 2 2 V r h V 1 Bh 3 2 V 1 r h 3 SA rs r 2 cone SA 4r sphere (p = perimeter of base B; 3 V 4 r 3 2 3.14 ) Algebra y 2 y1 x 2 x1 slope of a line m slope-intercept form of the equation of a line y mx b point-slope form of the equation of a line y y 1 m x x1 standard form of a quadratic equation y ax 2 bx c quadratic formula x b Pythagorean Theorem a2 b 2 c 2 simple interest I prt b 2 4ac 2a (I = interest, p = principal, r = rate, t = time) www.GEDtestingservice.com GED® and GED Testing Service® are registered trademarks of the American Council on Education (“ACE”). 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. Area of a: parallelogram trapezoid Surface Area and Volume of a: rectangular/right prism cylinder pyramid cone sphere A bh A 1 h b1 b2 2 SA ph 2B SA 2rh 2r SA 1 ps B 2 V Bh 2 2 V r h V 1 Bh 3 2 SA rs r 2 V 1 r h 3 3 2 V 4 r SA 4r 3 (p = perimeter of base B; 3.14 ) Algebra y 2 y1 x 2 x1 slope of a line m slope-intercept form of the equation of a line y mx b point-slope form of the equation of a line y y 1 m x x1 standard form of a quadratic equation y ax 2 bx c quadratic formula x Pythagorean Theorem a2 b 2 c 2 simple interest GED Testing Service® | www.GEDtestingservice.com b b 2 4ac 2a I prt (I = interest, p = principal, r = rate, t = time) 2