Session
Mathematics
6
A librarian is reading a book during her lunch breaks. She recorded some of
reading rates over the past three days in this table.
Reading Rates
Day
Number
of
Pages
Read
Time
(hour)
Rate
(pages
per
hour)
Monday
| 81
Tuesday
NI-
60
Wednesday
80
40
Which of the following completed tables correctly shows her reading rates?

5 quiero

6 vamos

7 puedan

8 quiero

9pedemos

10 dorme

step-by-step explanation:

answer: the correct option is d.

explanation:

it is given that the triangle j'k'l' shown on the grid below is a dilation of triangle jkl using the origin as the center of dilation.

from the given graph it is noticed that k(4,8) and k'(2,4). let origin is defined by o and scale factor is defined by k, then

    (1)

distance formula,

put these values in equation (1).

therefore scale factor is     and option d is correct.