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babunello [35]
3 years ago
9

A restaurant sells pizza for the prices in the data table. Calculate the linear

Mathematics
1 answer:
Wewaii [24]3 years ago
7 0

Answer:

y = 1.5x + 12

Step-by-step explanation:

Let the equation that represents the number of toppings (x) and price of pizza (y) is,

y = mx + b

If we plot the points given in the table,

m = Slope of the line

b = y-intercept

Since, slope of a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

m = \frac{y_2-y_1}{x_2-x_1}

Therefore, slope of a line passing through (0, 12) and (1, 13.5) will be,

m = \frac{13.5-12}{1-0}

m = 1.5

Here slope of the line represents the increase in price of a pizza with increase in each topping.

y-intercept of the line 'b' = 12 (For x = 0)

Now we put these values in the equation.

y = 1.5x + 12

Therefore, linear regression equation of the line is,

y = 1.5x + 12

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