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GMAT Quantitative Reasoning - Math, Exams of Quantitative Techniques

A.T. Still University of Health Sciences (ATSU)Quantitative Techniques

Comprehensive overview of mathematical concepts and formulas covered in the GMAT quantitative reasoning section. Covers arithmetic, fractions, percentages, compound interest, and exponents. Concise and easy-to-understand format, valuable for GMAT preparation. Useful for university students in business, finance, or mathematics, and high school students interested in business or finance careers.

Typology: Exams

2024/2025

Available from 09/12/2024

DrShirleyAurora
DrShirleyAurora 🇺🇸

4.4

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6.2K documents

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GMAT Quantitative Reasoning - Math
a + b = -
b + a
a x b = -
b x a
(a + b) + c = -
a + (b + a)
(a x b) x c = -
a x (b x a)
a (b + c) = -
ab + ac
Adding a positive number -
Move right along the number line
Subtracting a positive number -
Move left along the number line
Adding a negative number -
Move left along the number line
a + (-b) = a - b
Subtracting a negative number -
Move right along the number line
a - (-b) = a + b
1 | P a g e
pf3
pf4
pf5

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GMAT Quantitative Reasoning - Math

a + b = - b + a a x b = - b x a (a + b) + c = - a + (b + a) (a x b) x c = - a x (b x a) a (b + c) = - ab + ac Adding a positive number - Move right along the number line Subtracting a positive number - Move left along the number line Adding a negative number - Move left along the number line a + (-b) = a - b Subtracting a negative number - Move right along the number line a - (-b) = a + b

n = - n/ n/0 - undefined n/n -

a/b = c/d - ad = bc part/whole = - percent/ p percent of x is y - (p/100)(x) = y % change - change x 100/ original value new change - (1 + percent change/100) x original compound interest = - P (1 + r/c)^nc compound interest P - Principle compound interest r - annual interest rate Compound Interest c - number of "compoundings" per year compound interest n - number of years

simple interest - (principle)(rate)(time) a:d = b:c - a/b = c/d Positive base x > 1 - the value of x^n increases as n increases Positive base 0 < x < 1 - the value of x^n approaches zero as n increases negative base x < -1 - the value of x^n increases as n increases but the sign oscillates negative base -1 < x < 0 - the value of x^n decreases as n increases 75^2 = - 7 x 8 = 56 5^2 = 25 5625 105^2 = - 10 x 11 = 110 5^2 = 25 11025 x^a/x^b = - x^a-b