💡 Tip = for every value of the domain (x-value) there’s one, and only one, value for the range (y-value) Writing functions is pretty simple, once you get the hang of it. Determining a Function using Various Methods Got any questions? Drop them in the comments below!
Tag: Math
3.1 Relations
Remember: Relations = sets of order pairs (x, y) Domain = x values, or the set of first components Range = y values, or the set of second components Mapping Diagrams Finding the Domain and Range from a Graph Have any questions? Leave them in the comments below!
2.6 Special Factors
Remember: Difference of Squares: a2 – b2 = (a + b)(a – b) Factoring Perfect Square Trinomials: a2 + 2ab + b2 = (a + b)2 a2 – 2ab + b2 = (a – b)2 General Factoring for Special Factors Factoring Perfect Square Trinomials
2.5 Factoring ax^2 + bx + c
Tip: use the FOIL method and the ac- method to help solve these problems! General Factoring for ax2 + bx + c If you have any questions, leave them in the comment box below!
2.4 Factoring x^2 + bx + c
When factoring, look for two factors of c that multiply to the last term and add to the coefficient of the middle term Finding the Unknown Value of a Trinomial General Factoring for x2 + bx + c Got questions? Leave them down below!
2.3 Removing Common Factors
Remember: factoring is the opposite of multiplying! Finding the Greatest Common Factor of Terms General Factoring Shaded Area Problems If you have any questions, leave them down below!
2.2 Multiplying Polynomials
General Rules: (a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 (a – b)(a + b) = a2 – b2 Multiplying using FOIL Calculating the area of a shape Other multiplication problems Have any questions? Leave them in the comments below!
2.1 Classifying Polynomials
Polynomials can be confusing if you don’t know your terminology. For this section, we’ll cover the terms you need to know, and a basic guide to multiplying polynomials. Check out the links below for an explanation! Some Terms You Should Know: Term: a number or a product of a number with one or more variables.…
8.6 Laws of Cosines
How to get the cosine law The law of cosines If you have any questions, feel free to leave them in the comment box down below!
8.5 Law of Sines
How to get the law of sines The law of sines If you have any questions, feel free to leave them in the comment box down below!