NCERT/Class 9/Mathematics/Linear Equations in Two Variables

Linear Equations in Two Variables

Class 9 · Mathematics

64 questions30 easy20 medium14 hard

Sample Questions

Q1.In the equation ax + by + c = 0, which condition must hold?

  • Aa ≠ 0 and b ≠ 0
  • Ba and b are not both zero
  • Cc ≠ 0
  • Da = b

Q2.The area enclosed by the line x + y = 4 and the two coordinate axes is:

  • A4
  • B8
  • C16
  • D2

Q3.Which of the following equations represents the x-axis?

  • Ax = 0
  • By = 0
  • Cx + y = 0
  • Dx = y

Q4.The pair of equations x = 2 and y = 3 intersect at the point:

  • A(3, 2)
  • B(2, 2)
  • C(2, 3)
  • D(3, 3)

Q5.A solution (x, y) of the linear equation x - 2y = 6 is:

  • A(0, 3)
  • B(2, -2)
  • C(6, 0)
  • D(3, 3)

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Equations of lines parallel to axesGraph of linear equationInfinitely many solutionsLinear equation in two variablesSolution of linear equationStandard form ax+by+c=0

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