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allochka39001 [22]
3 years ago
11

The table shows the cost of buying x tickets to a school play. Buying Tickets Number of Tickets, x 2 5 10 13 Cost, y $8.50 $21.2

5 $42.50 $55.25 If the data are graphed on a coordinate grid, what is the y-intercept of the line that passes through thes points?
​
Mathematics
2 answers:
Naily [24]3 years ago
7 0

Answer:

y-intercept is zero

Step-by-step explanation:

The general equation of the line passing through the points is

y = mx + b

where m is the slope and b is the y-intercept

We can pick any two points to get the slope of the line;

m = (55.25-8.5)/(13-2) = 46.75/11 = 4.25

So partially , the equation will be;

y = 4.25x + b

To get b , substitute any point and use its x and y values

We have (2,8.5)

8.5 = 4.25(2) + b

b = 8.5-8.5

b = 0

Maslowich3 years ago
7 0

Answer:

Step-by-step explanation:

Vigo hin li gh

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