document.write( "Question 394746: know nothing about this linear funtions stuff at home sick but feeling better now and no math book. Here is one- y=-1/2x+3 it says to create a table with 5 coordinate points and sketch the graph that it represents \n" ); document.write( "
Algebra.Com's Answer #280203 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Here is one- y=-1/2x+3 it says to create a table with 5 coordinate points and sketch the graph that it \n" ); document.write( ": \n" ); document.write( "Using the given equation choose 5 values for x and find y, plot these x,y points on a graph \n" ); document.write( ": \n" ); document.write( "We choose x value of -4, -2, 0, 2, 4: \n" ); document.write( "I chose even values because the equation has a fraction, this will give us integer values for y \n" ); document.write( ": \n" ); document.write( "y= \n" ); document.write( "x = -4 \n" ); document.write( "y = \n" ); document.write( "y = +2 + 3 \n" ); document.write( "y = 5 \n" ); document.write( "the first coordinate point: -4, 5 \n" ); document.write( ": \n" ); document.write( "x = -2 \n" ); document.write( "y = \n" ); document.write( "y = 1 + 3 \n" ); document.write( "y = 4 \n" ); document.write( "the 2nd coordinate point: -2, 4 \n" ); document.write( ": \n" ); document.write( "x = 0 \n" ); document.write( "y = \n" ); document.write( "y = 3 \n" ); document.write( "the 3rd coordinate point: 0, 3 \n" ); document.write( ": \n" ); document.write( "x = 2 \n" ); document.write( "y = \n" ); document.write( "y = -1 + 3 \n" ); document.write( "y = 2 \n" ); document.write( "the 4th coordinate point: 2, 2 \n" ); document.write( ": \n" ); document.write( "x = 4 \n" ); document.write( "y = \n" ); document.write( "y = -2 + 3 \n" ); document.write( "y = 1 \n" ); document.write( "the 5th coordinate point: 4, 1 \n" ); document.write( ": \n" ); document.write( "To put this in a table \n" ); document.write( " x | y \n" ); document.write( "------- \n" ); document.write( "-4 | 5 \n" ); document.write( "-2 | 4 \n" ); document.write( " 0 | 3 \n" ); document.write( "+2 | 2 \n" ); document.write( "+4 | 1 \n" ); document.write( ": \n" ); document.write( "Plot these points on a standard graph, you should be able to join these points with a straight line. \n" ); document.write( "it should look like this: \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "A note on linear equations, there's a constant change in y for each change in x \n" ); document.write( "You can see on the table, a 2 unit change in x, gives a 1 unit change in y \n" ); document.write( "This is determined by the slope, which in this equation is -1/2. If the slope \n" ); document.write( "is positive, the line goes upward, if it is negative like we have here is goes downward \n" ); document.write( ": \n" ); document.write( "Anyway, glad you are feeling better and that this will help you, Carl \n" ); document.write( " |