Linear Equations in Two Variables

Class 9 · Mathematics

64 questions30 easy20 medium14 hard

Sample Questions

Q1.If (2, 3) and (k, 5) both lie on the line y = mx + c, the slope m is:

  • A1/3
  • B2/(k-2)
  • C(5-3)/(k-2)
  • DBoth B and C

Q2.The graph of a linear equation in two variables is:

  • AA curve
  • BA parabola
  • CA straight line
  • DA circle

Q3.A linear equation in two variables x and y is of the form:

  • Aax² + bx + c = 0
  • Bax + by + c = 0
  • Cax + by² + c = 0
  • Da/x + b/y = c

Q4.The equation x + y = 7 can be written in standard form as:

  • Ax + y - 7 = 0
  • Bx - y + 7 = 0
  • Cx + y + 7 = 0
  • D7 - x - y = 0

Q5.Which of the following equations represents the x-axis?

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

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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