In triangle OAB, OA = a, OB = b and P lies on AB such that AP:PB = 3 : 5.

In triangle OAB, OA = a, OB = b and P lies on AB such that AP:PB = 3 : 5.
(a) In terms of a and b the vectors.
(i) AB
(ii) AP
(iii) BP
(iv) OP

---

---

sharon kalunda answered the question on May 8, 2019 at 05:44

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• The following are masses of 25 people taken in a clinic. (Solved)
  

  The following are masses of 25 people taken in a clinic.
  
  (a) Using a class width of 8 and starting with the lowest mass of the people. Make a frequency distribution table for the data.
  (b) Calculate the median mass of the people.
  (c) On the grid provided, draw a histogram to represent the information.

  Date posted: May 8, 2019 .    Answers (1)

• The figure below a frustum of a solid cone of base radius 48cm and top radius 16cm. The height of the frustum is 21cm. (Take ??... (Solved)
  

  The figure below a frustum of a solid cone of base radius 48cm and top radius 16cm. The height of the frustum is
  21cm. (Take 𝜋 =22/7) calculate:
  
  (a) The height of the solid cone.
  (b) The volume of the solid frustum.
  (c) The total surface area of the frustum.

  Date posted: May 8, 2019 .    Answers (1)

• Determine the values of m for which the matrix below has no inverse (Solved)
  

  Determine the values of m for which the matrix below has no inverse
  

  Date posted: May 7, 2019 .    Answers (1)

• A regular polygon with 3x sides has interior angle 40⁰ greater than the one with x sides. What is x? (Solved)
  

  A regular polygon with 3x sides has interior angle 40⁰ greater than the one with x sides. What is x?

  Date posted: May 7, 2019 .    Answers (1)

• The image of P(0,2) under an enlargement with the factor 3 is P1(4,6). Find the centre of enlargement. (Solved)
  

  The image of P(0,2) under an enlargement with the factor 3 is P1(4,6). Find the centre of enlargement.

  Date posted: May 7, 2019 .    Answers (1)

• The angle subtended by the major arc at the centre of the circle O is twice the angle subtended by the minor arc at the centre.... (Solved)
  

  The angle subtended by the major arc at the centre of the circle O is twice the angle subtended by the minor arc at the
  centre. If the radius of the circle is 3.5cm, find the length of the minor arc. (Take 𝜋 =22/7)

  Date posted: May 7, 2019 .    Answers (1)

• PQRS is a cyclic quadrilateral and O is the centre of the circle. angle QOS = 150⁰ (Solved)
  

  PQRS is a cyclic quadrilateral and O is the centre of the circle. angle QOS = 150⁰
  
  While giving reasons find:
  (a) angle QPS
  (b) angle QRS

  Date posted: May 7, 2019 .    Answers (1)

• A test is conducted for the purpose of employing a suitable typist with the following results. (Solved)
  

  A test is conducted for the purpose of employing a suitable typist with the following results.
  
  Calculate the mean typing speed.

  Date posted: May 7, 2019 .    Answers (1)

• Find the equation of the normal to the curve y = x² + 3x at the point P where x = 1. (Solved)
  

  Find the equation of the normal to the curve y = x² + 3x at the point P where x = 1.

  Date posted: May 7, 2019 .    Answers (1)

• A mobile phone seller gets a commission of Shs. 250 on every mobile phone that he sells. In a given month, he got 33,000 shillings. (Solved)
  

  A mobile phone seller gets a commission of Shs. 250 on every mobile phone that he sells. In a given month, he got
  33,000 shillings.
  (a) How many phones did he sell that month.
  (b) If this commission is 2%. What is the sale price of each mobile phone?

  Date posted: May 7, 2019 .    Answers (1)

• Simplify completely: (Solved)
  

  Simplify completely:
  

  Date posted: May 7, 2019 .    Answers (1)

• Using a ruler and a pair of compasses only, construct a trapezium ABCD with AB parallel to DC. AB = 10cm, BC = 5cm, CD =... (Solved)
  

  Using a ruler and a pair of compasses only, construct a trapezium ABCD with AB parallel to DC. AB = 10cm, BC = 5cm,
  CD = 4cm and angle ABC = 45⁰. Drop a perpendicular from C to meet AB to O. Measure AD and the altitude of the
  trapezium.

  Date posted: May 7, 2019 .    Answers (1)

• Points A(2,7) and B(-4,3) are points on a straight line. Find the equation of the perpendicular bisector of the line AB. (Solved)
  

  Points A(2,7) and B(-4,3) are points on a straight line. Find the equation of the perpendicular bisector of the line AB.

  Date posted: May 7, 2019 .    Answers (1)

• Use reciprocal and square tables to evaluate to 4 significant figures the expression: (Solved)
  

  Use reciprocal and square tables to evaluate to 4 significant figures the expression:
  

  Date posted: May 7, 2019 .    Answers (1)

• Without using mathematical tables or calculators evaluate: (Solved)
  

  Without using mathematical tables or calculators evaluate:
  

  Date posted: May 7, 2019 .    Answers (1)

• a) Complete the table below for the equation y = 2x³ + 5x³ - x - 6 (Solved)
  

  a) Complete the table below for the equation 𝑦 = 2𝑥³ + 5𝑥³ − 𝑥 − 6
  
  b) On the grid provided draw the graph 𝑦 = 2𝑥² + 5𝑥² − 𝑥 − 6 𝑓𝑜𝑟 − 3.5 ≤ 𝑥 ≤ 2. Use 2cm to represent 1 unit
  on the x-axis and 1cm to represent 5 units on the y-axis.
  c) By drawing a suitable line use the graph in (b) to solve the equation.2𝑥³ + 5𝑥² − 3𝑥 − 4 = 0

  Date posted: May 7, 2019 .    Answers (1)

• a) Copy and complete the given table below to 2 decimal places. (Solved)
  

  a) Copy and complete the given table below to 2 decimal places.
  
  b) Using the same axes plot the curves y=Sin(x+30⁰) and y=Cos (x-15)
  Taking 1 cm represented 30⁰ and x-axis and 1cm represented 0.25cm on the y axis.
  c) Using the graph state the amplitude of y=Cos (x-15⁰)
  d) Using the graph solve the equation: Sin (x+30⁰)-Cos (x-15⁰)=0

  Date posted: May 7, 2019 .    Answers (1)

• A ship leaves an Island A (60⁰N, 45 ⁰E) and sails due west for 120hours to another island B.The average speed of the ship is... (Solved)
  

  A ship leaves an Island A (60⁰N, 45 ⁰E) and sails due west for 120hours to another island B.The average speed of the ship is 27 knots.
  a) Find the position of the island B
  b) Another island C is south of island B and lies on latitude 55⁰N. Find the distance between Islands B and C in
  nautical miles.
  c) The ship leaves island B when the time at Island A is 12.30pm. On Monday and sailed to Island C. If the ship
  increases its speed by 20% between B and C find out the time of arrival at island C to the nearest minutes and the
  day.

  Date posted: May 7, 2019 .    Answers (1)

• a) Using a ruler and pair of compasses only construct a square ABCD of sides 6cm. (Solved)
  

  a) Using a ruler and pair of compasses only construct a square ABCD of sides 6cm.
  b) A point P moves inside the square such that;
  i) 𝐴𝑃 ≤ 𝑃𝐵
  ii) 𝐴𝑛𝑔𝑙𝑒 𝐴𝑃𝐵 ≥ 90⁰
  iii) P is nearer to AD than AB. construction on the square in (a) show the region that P must lie by shading.
  c) Find the area of the region where P must lie.

  Date posted: May 7, 2019 .    Answers (1)

• The figure below shows a frustrum ABCDEFGH of a right pyramid where AB=40cm, BC=30cm, FG=20cm, GH=15cm and AF=BG=CH=DE=25cm. (Solved)
  

  The figure below shows a frustrum ABCDEFGH of a right pyramid where AB=40cm, BC=30cm, FG=20cm, GH=15cm and AF=BG=CH=DE=25cm.
  
  Find the vertical height of the frustrum.
  a) Find the angle between line BE and the base ABCD
  b) Find the angle between the plane BCHG and the base ABCD.
  c) Find the angle between the plane ADEF and the plane AGHD

  Date posted: May 7, 2019 .    Answers (1)