Graphing+Equations

=Graphing Equations(Chapter 4.2, 4.5):= Thatcher, Molly L, Sara R.  You can graph any equation that has a variable or two and has an x or y. The Answer is an equation with two variables, x and y, that form an ordered pair (x,y) that creates a true statement when the values of x and y are plugged in the place of the x and y in the equation. One type of equation you can graph easily is a slope-intercept equation. The formula for that is **y=mx + b** you pick two points and find slope by rise over run, and then plug in the slope which is m and then make a table and put x as x1or x2. PRACTICE PROBLEMS:

(1.) 4x + y = 1  y= - 4x + 1 points : (-4, 1)  (2.) 6x - 3y = -9 y = 2x + 3 points: (2,3) 

(3.) 2x + 5y = -10  y = -2/5x - 2 points (-2/5, -2) 