johnlecona210
20.09.2019 •
Mathematics
Which of the following points are on the line given by the equation y = 5x?
check all that apply.
a. (3,6)
b. (0,1)
c. (3,15
d. (4,2)
e. (-1,-5)
f. (-1,5)
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Ответ:
C and E
Step-by-step explanation:
To answer this question, we plug in the X values of the coordinates into the equation to see if they'll give us the corresponding Y value.
(X, Y)
Example:
Y = 5X
6 != 5 * 3
We do this for every coordinate point. If the problem doesn't make sense, it doesn't fall on the line. Let's test every one of these.
B. (0, 1)
1 != 5 * 0
C. (3, 15)
15 = 5 * 3
D. (4, 2)
2 != 5 * 4
E. (-1, -5)
-5 = 5 * -1
F. (-1, 5)
5 != 5 * -1
* For those who don't know, the != is how to say "not equal to" in computer science.
Ответ:
B and D or 2 and 4
Step-by-step explanation:
1. is NOT correct as the mean absolute deviation is 22 not 15
2. is CORRECT the mean absolute deviation is 18
the mean of A is 216
the mean of B is 215
one tenth of 215/216 is 21.5/21.6 that is about the absolute mean deviation which 18/22
Which makes one tenth the wrong answer.
This is also makes one twentieth the correct answer