Important Questions of Linear Equations in Two Variables Mathematics | Zigya

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181. The equation of a line parallel to y-axis is:
  • x = 1
  • x + y = 0
  • y = 0
  • y = 0
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182. To which linear equation does the graph represent?

  • 3x -7y = 10

  • y - 2x = 3

  • 8y - 6x = 4

  • 8y - 6x = 4

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183. Equation of a line which is at 5 units distance above the x-axis is:
  • x = 5
  • x + 5 = y
  • y = 5
  • y = 5
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184. The equation of the line, whose graph passes through the origin is:
  • 2x + 3y = 1 
  • 2x + 3y = 0
  • 2x + 3y = 6
  • 2x + 3y = 6
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185. The value of y at x = –1 in the equation 5y = 2 is:
  • 5 over 2
  • 2 over 5
  • 10

  • 10

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186.  The general form of a linear, equation in two variables is:
  •  ax + by + c = 0, where a, b, c are real numbers and a, b ≠ 0
  • ax + b = 0 where a, b are real numbers and a ≠ b

  •  ax2 + bx + c = 0, where a, b, c are real numbers and a, b ≠ 0
  •  ax2 + bx + c = 0, where a, b, c are real numbers and a, b ≠ 0
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187. The graph of the equation ax + by + c = 0 will pass through the origin if:
  • a = 0
  • b = 0
  • a = b
  • a = b
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188. Any point on the line y = 3x is of the form:
  • (a, 3a)

  • (3a, a)

  • open parentheses straight a comma space straight a over 3 close parentheses
  • open parentheses straight a comma space straight a over 3 close parentheses
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189. In the figure, ‘l’ is the graph of the equation:


  • y = x
  • x + y = 0
  • x = 2y
  • x = 2y
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190. Which of the following is a linear equation in one variable:
  • 2x + 3y = 0
  • x2 = 5x+3
  • 5x = y2 + 3
  • 5x = y2 + 3
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