Astudent used a ruler to measure a pencil, as shown in the attachment.
which of the following measurements is accurate but not precise?
5 mm
5 cm
50 mm
50 cm

5 cm

Step-by-step explanation:

In the given picture , we have given a ruler with "centimeter" measure.

We can see that the base of pencil is at the starting point of the ruler and the tip of pencil is at 5.

The ruler is a "centimeter(cm)" ruler , then the accurate measure of pencil is 5 cm

Hence, the measurements is accurate but not precise = 5 cm

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.