Abiologist created the following graph to show the relationship between the temperature of water (x), in degrees celsius, and the number of insect larvae (y) in the water:

what does the y-intercept of the graph represent?

a. there were 400 larvae at 0 degree celsius.
b. there were no larvae at 400 degrees celsius.
c. the original number of larvae in the water was 400.
d. the original temperature of the water was 400 degrees celsius

A. There were 400 larvae at 0 degree Celsius.

Step-by-step explanation:

Here,

x = the temperature of water in °C

y = the number of insect larvae in the water

The graph is a graph of quadratic function as it is a parabola and it opens downward, so it has a negative leading coefficient i.e coefficient of x² is negative.

At y intercept, the line or curve passes through y axis. At y intercept the value of x is zero, because on y axis the value of x is 0.

As the y intercept in this case is (0, 400), so at y intercept value of x is 0 and y is 400.

Therefore, at y intercept or at 0°C there were 400 larvae.

answer: b)

step-by-step explanation:

its a dot plot because since the score is not high numbers.

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