C-12-Q134mediumsingle_mcq

The solution of $x + y = 10,\; 3x - 2y = 0$ by cross-multiplication is —

Solving gives $x = 4$ and $y = 6$ : indeed $4 + 6 = 10$ and $3$ . So the solution is .

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এই অধ্যায়ের আরও প্রশ্ন

C-12-Q135The graphs of are —
C-12-Q136Before drawing the graph of a straight line, what is done first?
C-12-Q137On a graph paper, the two axes are positioned —
C-12-Q138The coordinates of the origin are —
C-12-Q139The point of intersection of the -axis and -axis is —
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C-12-Q142Writing in the form , the values of are —
C-12-Q143

(5, 5)

(2, 8)

(

4

)

-

2

(

6

)

=

0

3(4) - 2(6) = 0

3 (4) - 2 (6) = 0

(4, 6)