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P-1 Linear Equations in Two Variables — Maths STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10MathsP-1 Linear Equations in Two Variables1 Mark
MCQ
To draw graph of 4x+5y=19, Find y when x = 1.
  • A
    4
  • B
    3
  • C
    2
  • D
    -3
✓

Answer


$\begin{aligned}
& \text { Put } x=1 \text { in Eq. } 4 x+5 y=19 \\
& 4 \times 1+5 y=19 \\
& \Rightarrow 5 y=19-4 \\
& \Rightarrow 5 y=15 \\
& \Rightarrow y=\frac{15}{5}=3
\end{aligned}$
Hence, option B is correct.

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