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harris6518
18.05.2021 •
Mathematics
Use the table to describe the locations of the zeros of the quadratic function $f$ . The zeros are between _ and_ , and between_ and_ .
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Ответ:
The zeros are between -4 and -3, and between 0 and 1
Step-by-step explanation:
Here, we want to location of the zeros
As we can know, at the zeros of a quadratic function, the y value at those point is zero
So whenever we have y value being zero, we have it that the x value at that point is a zero or root of the quadratic function
Now, looking at the table, we can see that between the point x = -4 and -3; y moved from -2 to 2
For this movement to occur, we must have passed through 0 as we have -1 ,0 and 1 between the numbers as -2 and 2
So obviously, the root is between -4 and -3
Secondly as we can see, f(x) moved from 2 to -2
The numbers between here are 1 , 0 and -1
So definitely the root lies between the x values of 0 and 1
Ответ:
A. (0.100 km) x (1000 m / 1 km) = 100 m
B. (10 hm) x (100 m / 1 hm) = 1000 m
C. (10,000 cm) x (1 m / 100 cm) = 100 m
D. (100,000 mm) x (1 m / 1000 m) = 100 m
From the obtained values above, the answer to this item is letter B.