Find principal roots If n is even, positive numbers have two nth roots.For example, both 4 and -4 are square roots of 16, and 2 and -2 are fourth…
Month: July 2014
Simplify complex fractions by simplifying the numerator and denominator
Simplify complex fractions by simplifying the numerator and denominator There are two different methods for simplifying complex fractions. Simplifying a Complex Fraction: Method 1 Step 1 Simplify…
Find a least common denominator
Find a least common denominator We add or subtract rational expressions with different denominators by first writing them with a common denominator, usually the least common denominator (LCD). …
Adding or Subtracting Rational Expressions
Adding or Subtracting Rational Expressions Step 1:- If the denominators are the same, add or subtract the numerators. Place the result over the common denominator. If the denominators are…
Multiplying Rational Expressions
Multiplying Rational Expressions Step 1:- Factor all numerators and denominators as completely as possible. Step 2:- Apply the fundamental property. Step 3 :- Multiply remaining factors in…
Fundamental Property of Rational Numbers
Fundamental Property of Rational Numbers If is a rational number and if c is any nonzero real number, then = . In words, the numerator and denominator of…
Solving a Quadratic Equation by Factoring
Solving a Quadratic Equation by Factoring Step 1:- Write in standard form. Rewrite the equation if necessary so that one side is 0. Step 2:- Factor the polynomial.…
Solving Equations by Factoring
Solving Equations by Factoring Zero-Factor Property If two numbers have a product of 0, then at least one of the numbers must be 0. That is, if ab =…
Special Types of Factoring
Special Types of Factoring Difference of Squares x2– y2 = (x +y) (x –y) Perfect Square Trinomial x2+ 2xy +y2= (x +y)2 x2+ 2xy +y2 = (x…
Factoring ax^2 + bx + c
Factoring ax2 + bx + c Step 1:- Find pairs whose product is a. Write all pairs of integer factors of the coefficient of the squared term, a. …
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