NCERT/Class 11/Mathematics/Straight Lines

Straight Lines

Class 11 · Mathematics

155 questions57 easy66 medium32 hard

Sample Questions

Q1.If m1 = 2 and m2 = -1/2, then the two lines are:

  • AParallel
  • BPerpendicular
  • CCoincident
  • DNeither parallel nor perpendicular

Q2.If the area of a triangle is 5 square units, and two vertices are (2, 1) and (3, –2), and the third vertex is on y-axis, find it.

  • A(0, 3) or (0, –7)
  • B(0, 3) or (0, 7)
  • C(0, 5) or (0, –5)
  • D(0, 13/3) or (0, –7/3)

Q3.A line through (-2, 6) and (4, 8) is perpendicular to a line through (8, 12) and (x, 24). The value of x is:

  • A4
  • B-4
  • C2
  • D8

Q4.The equation of a line parallel to the y-axis and passing through (-2, 3) is:

  • Ay = 3
  • Bx = -2
  • Cx = 3
  • Dy = -2

Q5.The equation of a line through (2, –3) parallel to 4x – 3y + 5 = 0 is:

  • A4x – 3y = 17
  • B4x – 3y + 17 = 0
  • C3x – 4y = 18
  • D4x + 3y = –1

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

Angle Between Two LinesAngle between linesAngle of InclinationArea of Triangle using CoordinatesCollinearityCollinearity of pointsDistance Between Parallel LinesDistance FormulaDistance between parallel linesDistance of a Point from a LineDistance of a point from a lineGeneral Equation of a LineGeneral equation of a lineIntercept FormIntercept formNormal formParallel and Perpendicular LinesPoint-Slope FormPoint-slope formSection FormulaSlope of a LineSlope of a lineSlope-Intercept FormSlope-intercept formTwo-Point FormTwo-point formVarious forms of equations of lines

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