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Byju's Answer
Standard VII
Mathematics
Constants and Variables
x and y are t...
Question
x and y are the variables in the equation 4x + 7y = 0.
A
False
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B
True
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Solution
The correct option is
B
True
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Similar questions
Q.
For the variables
x
and
y
, the regression equations are given as
7
x
−
3
y
−
18
=
0
and
4
x
−
y
−
11
=
0
. Identify the regression equation of
y
on
x
.
Q.
For two variables
x
and
y
regression equations are given as
7
x
−
3
y
−
18
=
0
and
4
x
−
y
−
11
=
0
then the correlation coefficient between
x
and
y
is
Q.
For the variables
x
and
y
, the regression equations are given as
7
x
−
3
y
−
18
=
0
and
4
x
−
y
−
11
=
0
. Find the arithmetic means of
x
and
y
respectively.
Q.
For two variables
x
and
y
regression equations are given as
7
x
−
3
y
−
18
=
0
and
4
x
−
y
−
11
=
0
then what is the arithmetic mean of
x
is
Q.
Solve the following system of linear equations in three variables.
4(x + y) = 3(2z - y)
5(x - 2y) = 3(2y - 3z)
6(x - 2) + 7 (y - 3) + 8(z - 4) = 67
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