CPM Homework Help : MC2 Problem 10-148

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10-148.

Complete the table. 10-148 HW eTool (Desmos)

$x$	$-5$	$1$	$3$	$0$	$8$	$-2$	$-1$
$y$	$7$			$2$		$4$

Find the rule.
Hint (a):
Do you see any patterns?
Notice the difference in the $y$ -value from $x = 0$ to $x = −2$ .
More Help (a):
Also notice that as the x-value decreases, the $y$ -value increases, and as the $x$ -value increases, the $y$ -value decreases.
Answer (a):
$y = −x + 2$
What is the slope?
Hint (b):
$\text{Slope = \frac{rise}{run}}$
Answer (b):
$−1$

Complete the table in the eTool below.
Click the link at right for the full version of the eTool: MC2 10-146 HW eTool

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