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ANSWER
Given:
[tex]Ax+By=10[/tex]
If this line goes through
[tex](6,5)[/tex]
then, the point must satisfy it.
[tex]6A+5B=10 - - (1)[/tex]
Similarly,
[tex](-2,-5) [/tex]
must also satisfy this equation.
[tex] - 2A - 5B=10 - - (2)[/tex]
Now we add equation (1) and (2)
[tex]\Rightarrow 4A = 20[/tex]
Dividing through by 4 gives,
[tex]A = 5[/tex]
We substitute in to equation 1 to find B
[tex]6(5)+5B=10[/tex]
[tex]5B=10 - 30[/tex]
[tex]5B= - 20[/tex]
[tex]B= - 4[/tex]
Given:
[tex]Ax+By=10[/tex]
If this line goes through
[tex](6,5)[/tex]
then, the point must satisfy it.
[tex]6A+5B=10 - - (1)[/tex]
Similarly,
[tex](-2,-5) [/tex]
must also satisfy this equation.
[tex] - 2A - 5B=10 - - (2)[/tex]
Now we add equation (1) and (2)
[tex]\Rightarrow 4A = 20[/tex]
Dividing through by 4 gives,
[tex]A = 5[/tex]
We substitute in to equation 1 to find B
[tex]6(5)+5B=10[/tex]
[tex]5B=10 - 30[/tex]
[tex]5B= - 20[/tex]
[tex]B= - 4[/tex]
The values of A and B of the given equation with the given coordinates are; A = 5 and B = -4
We are told the equation is;
Ax + By = 10
Since the equation goes through (6,5) and (-2,-5), then it means we have two simultaneous equations as;
6A + 5B = 10 ----(eq 1)
-2A - 5B = 10 ----(eq 2)
Add eq 1 to eq 2 to obtain;
4A = 20
A = 20/4
A = 5
Now, put 5 for A in eq 1 to get;
6(5) + 5B = 10
30 + 5B = 10
-5B = 30 - 10
-5B = 20
B = -20/5
B = -4
Thus, in conclusion, the values of A and B are 5 and -4 respectively.
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