Arithmetic series, sums and formulas can all seem really intimidating, but these videos can help you easily solve those problems! Finding the Sum of the Arithmetic Series Finding the Indicated Sum Value Still have questions? Leave them in the comments below!
Category: Unit 6: Solving Linear Systems
6.5 Arithmetic Sequences
Terms: sequence: a list of numbers term: each number of a sequence (i.e. first term, second term…) finite: it’s possible to count the number of terms infinite: terms continue forever Formula: tn = a + (n – 1)d Finding the nth Term of the Sequence Finding the First Term of a Sequence Finding the Number…
6.4 Problem Solving with Two Variables
Word problems are definitely a tricky topic, but with these videos, you’ll be able to successfully solve problems with two variables! A Review of the Addition & Elimination Methods And Now… Word Problems! Still have questions? Leave them in the comments below!
6.3 Solving Linear Systems by Substitution
In the last section, we learned how to solve linear systems by addition. For this section, we’ll focus on solving using the substitution method. Like the name indicates, the substitution method requires you to find the value of one variable (either x or y) and then substitute it into the other equation, therefore solving the…
6.2 Solving Linear Systems by Addition
Solving linear systems by adding is fairly easy, once you get the hang of it. Check out these videos below to learn how to use this method! How To… Solve by the Addition Method Have any questions? Leave them in the comments below!
6.1 Solving Linear Systems by Graphing
One Solution: No Solutions: Infinite Solutions: Determining Whether the Ordered Pair is a Solution to the Linear System Solve the Linear Systems by Graphing Have any questions? Leave them in the comments below!