take some electricity bills. find out how the amount on the bill has been calculated. Represent this calculation using a linear equation.
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Step-by-step explanation:
The slope-intercept form of a linear equation is y = mx + b. In the equation, x and y are the variables. The numbers m and b give the slope of the line (m) and the value of y when x is 0 (b). The value of y when x is 0 is called the y-intercept because (0,y) is the point at which the line crosses the y-axis.
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