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Question
find the equation of the line with slope = 7 and passing through (7,53). write your equation in the form $y = mx + b$.
$y = \square$
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Step1: Recall the slope - intercept form
The slope - intercept form of a line is $y = mx + b$, where $m$ is the slope and $b$ is the y - intercept. We know that $m = 7$, so the equation of the line is $y=7x + b$.
Step2: Substitute the point into the equation
The line passes through the point $(7,53)$. This means that when $x = 7$, $y = 53$. Substitute $x = 7$, $y = 53$ and $m = 7$ into the equation $y=mx + b$:
Step3: Solve for $b$
Subtract 49 from both sides of the equation $53=49 + b$:
Step4: Write the final equation
Now that we know $m = 7$ and $b = 4$, substitute these values into the slope - intercept form $y=mx + b$. We get $y = 7x+4$.
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$y = 7x + 4$