20/20 Rational Expressions
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User Reviews for 20/20 Rational Expressions
Terrible pretending that you can use it to help you threw work when your stuck
Waste of money do not buy
Stupid app
This app is charging me and it's stupid it doesn't work
Horrible
This was a complete waste of money and time
do not buy
this was such waste of money
Bad
Can’t solve any questions
Trash
Horrible app. Not helpful in any way and hard to understand/ work. Total waste of money.
Guide
This is not what I expected. I thought it was going to do the work for me, but actually it only goes over the basics with one to two examples. Don't waste your time and money with this, unless if you want a short lesson on how to do it.
Crap
Does not do what it claims to do.Worthless junk.
Description
A power learning aid combines Guides, Practice and Coaching Calculators to help students master rational expression or rational fraction simplification and rational equation solving. Rational expression Practice and Coaching Calculators take you step-by-step through the simplification of expressions such as : (6x³ + 7x² - 1)/(2x² + 3x + 1) (x² + 6x + 8)/(x + 2) (x² - 5x + 6)/(14 + 3x - 5x²) (3x - 9)/(6x - 12) Detailed steps : - Factoring out numeric or algebraic factors - Factoring linear numerators/denominators - Factoring quadratic numerators/denominators - Factoring cubic numerators/denominators - Dividing out or canceling common factors Rational equation Practice takes you step-by-step through the solving of equations such as : (5x + 3)/4 + (1 + 3x)/5 = 4/5 2/(3x²) + 5/x = 3/(4x) 1/(3x + 6) - 3/(5x² + 8x - 4) = -5/(15x - 6) (2x - 1)/(3x + 2) - (1 - x)/(6x² + 7x - 2) = 7/20 Detailed steps : - Factoring denominators - Finding Least Common Denominator (LCD) - Multiplying through by LCD or making each term have LCD - Solving resulting linear or quadratic equation The Guide also covers the addition and subtraction of rational expressions such as 3/(x + 1) + 2x/(x² - 6x - 7) and the multiplication and division of rational expressions such as (x² - 1)/(9x² - 1) * (6x + 2)/(3x² - 3x).
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