Copy of Drawing a Straight Line Graph using known points

To draw a straight line graph using known points in GeoGebra is a little trickier. First you have to plot the points first. [br]This is done by typing in the points in the form of (x,y) in the input bar. Try typing [br]in (1,1). Next (3,2). And then (5,3). See how the points are plotted? [br]Also note that the points are alphabetically labelled with capital letters. [br]Next, type in: FitLine(A,B,C) to draw the graph. See how the equation of the line is also generated.

Your end product should look like this .

Try these:

1. Plot the points with coordinate:[br] (0,0) (1,3) (3,9) (5,15)[br]b. Draw a straight line through the points[br]c. Write down the coordinates of 2 other points on the line. ( , ) ( , )[br]d. Describe how the x and the y are related.[br][br][br]

2.Plot the points with coordinate:[br] (0,4) (1,5) (3,7) (5,9)[br]b. Draw a straight line through the points[br]c. Write down the coordinates of 2 other points on the line. ( , ) ( , )[br]d. Describe how the x and the y are related.

Information: Copy of Drawing a Straight Line Graph using known points