CPM Homework Help : MC2 Problem 6-59

Make a table and a graph for the following rule: $y = 2x – 4$ . .

Hint:

Use the eTool below to see the graph. Substitute in numbers for $x$ to find its $y$ value.

Explain how you know that there are more points than just the ones shown on your graph.
Answer (a):
The rule represents a continuous relationship, so points other than whole numbers can be used.
$x$
$4$
$-3$
$0.5$
$0$
$2$
$y$
$4$
$-10$
$-3$
$-4$
$0$
Where would the additional points go on the graph?
Hint (b):
The additional points would be placed along the line.

$x$	$4$	$-3$	$0.5$	$0$	$2$
$y$	$4$	$-10$	$-3$	$-4$	$0$

Use the eTool below to complete the table and to see the graph.
Click the link at right for the full version of the eTool: MC2 6-59 HW eTool