CPM Homework Help : GB8I Problem 1-10

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1-10.

For each equation below, determine the value of $y$ if $x = 2$ .

Hint (all):

Substitute $2$ for $x$ into each equation then follow the Order of Operations to calculate the value of $y$ .

$y = 7 − 3x$
Step (a):
Let $x = 2$ : $y = 7 − 3(2)$

$y = x^2 − 1$
Answer (b):
$y = 3$

$y = \frac { 18 } { x }$
Answer (c):
$y = 9$

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