1: explain why (4,1) is not a solution to the equation y=3x+1

2: drinks at the fair cost $2.50. use an equation to represent the relationship between the numbers of drinks bought and the cost. define your variable and make a table to write the equation.

1. The point (4,1) is not a solution for the equation.

2.

Step-by-step explanation:

1. We are asked to explain why (4,1) is not a solution to the equation .

We can see that right side of equation would be greater than left side, when we will substitute coordinates of point (4,1).

Let us substitute coordinates of point (4,1) in our given equation as:

Therefore, the point (4,1) is not a solution for the equation.

2. We have been given that drinks at the fair cost $2.50.

Let x represent number of drinks, so cost of x drinks would be .

The total cost (y) of x drinks would be .

Therefore, the equation represents the given equation.

Table:

Number of drinks                       Total cost

1                                                       $2.50

2                                                      $5.00

3                                                       $7.50

4                                                      $10.00

4

step-by-step explanation:

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