CPM Homework Help : CCA Problem 2-85

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2-85.

Without graphing, identify the slope and y-intercept of each equation below.

$y = 3x + 5$

Hint (a):
In the form $y = mx + b$
$m =$ slope
$b = y$ -intercept

$y=\frac{5}{-4}x$

More Help (b):
If the $b$ is not present in $y = mx + b$ ,
it is understood that $b = 0$ .

$y=3$

Hint (c):
Similar pattern as in part (b).
Answer (c):
Slope $= 0$

$y=7+4x$

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