## Homework Hints 16-2

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3

… See the whole entry

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3

… See the whole entry

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 … See the whole entry

**Video:**

Graphing linear inequalities in two variables. The first minute tells you everything you need to know; the next nine minutes provide some examples. (time: 10:04)

… See the whole entry

Here is a good site for graphing equations of the form “*y* =”.

**http://www.calculator.com/graphing/**

This is a general site for graphing lines, parabolas, and exponentials.

**https://www.desmos.com/calculator**

Here is a good site for graphing lines.

http://www.webmath.com/gline.html

You can use this site to graph several lines at the same time.

https://www.symbolab.com/solver/line-equation-calculator… See the whole entry

- Solving equations with two variables
- satisfy an equation
- solution

- Cartesian coordinate system
- definition
- axis, origin, quadrants
- coordinates
- abscissa
- ordinate

- Graphing a line by plotting points
- graph of a line
- procedure

- Graphing a line by slope-intercept
- standard form
- first-degree