There are six houses on Philips Road that each use, on average, between 1.58 units and 1.71 units of electricity for 2 to 4 hour
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To find the equation, identify the slope and the y-intercept.
The slope is the coefficient to the variable. When you see the word 'per', you know that 2 is the slope, as she is paying 2 dollars per movie. This, in mathematical terms, is represented as 2x.
The y-intercept is the amount she starts off with. She gets 5 for free, so the y-intercept is +5.
The equation is
To solve for c = 50, plug 50 in and subtract 5 from both sides:
m = 22.5
The slope is the coefficient to the variable. When you see the word 'per', you know that 2 is the slope, as she is paying 2 dollars per movie. This, in mathematical terms, is represented as 2x.
The y-intercept is the amount she starts off with. She gets 5 for free, so the y-intercept is +5.
The equation is
To solve for c = 50, plug 50 in and subtract 5 from both sides:
m = 22.5