Tables, Graphs, Functions and Sequences
Selected Reading
- Finding patterns in shapes
- Finding the next terms of a geometric sequence with whole numbers
- Finding the next terms of an arithmetic sequence with whole numbers
- Identifying independent and dependent quantities from tables and graphs
- Writing an equation and drawing its graph to model a real-world situation: Basic
- Graphing ordered pairs and writing an equation from a table of values in context
- Writing and evaluating a function that models a real-world situation: Basic
- Finding outputs of a two-step function with decimals that models a real-world situation
- Finding outputs of a one-step function that models a real-world situation
- Interpreting a line graph
- Graphing a line in quadrant 1
- Writing a function rule given a table of ordered pairs: One-step rules
- Function tables with two-step rules
- Graphing whole number functions
- Making a table and plotting points given a unit rate
- Home
Selected Reading
- Who is Who
- Computer Glossary
- HR Interview Questions
- Effective Resume Writing
- Questions and Answers
- UPSC IAS Exams Notes
Writing an equation and drawing its graph to model a real-world situation: Basic
Writing an equation and drawing its graph to model a real-world situation: Basic
In this lesson, we solve real world problems which are modeled by an equation. The equation describing the problem is written and its graph is plotted.
Jenny has savings of $42 and earns $7 for each hour of lawn mowing. If y is the total amount with Jenny and x is the number of hours he works, write and equation in y and x and graph it.
Solution
Step 1:
The equation representing the problem in x and y is
y = 42 + 7x
Step 2:
The plot is
Phil s party costs $110 plus $7 for every guest he invites. Let y be the total cost of party and x be the number of guests. Write an equation in x and y and graph it.
Solution
Step 1:
The equation representing the problem in x and y is y =110 + 7x
Step 2:
The plot is
