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Online form 2 mathematics video lessons and lectures in Kenya

56 video lessons

• Find the value of x given that: 49^x+1 + 7 =350
  

  Find the value of x given that: 49^x+1 + 7 =350

  
  Form 2, Mathematics: Indices

  Date posted: February 26, 2019.

• Factorize: 6x² -13x + 6
  

  Factorize: 6x² -13x + 6

  
  Form 2, Mathematics: Quadratic Equations and Expressions

  Date posted: February 26, 2019.

• Solve for X in the equation below 32^{(x - 3)} ÷ 8^{(x - 4)} = 64 ÷ 2^x
  

  Solve for X in the equation below 32^{(x - 3)} ÷ 8^{(x - 4)} = 64 ÷ 2^x

  
  Form 2, Mathematics: Indices

  Date posted: February 26, 2019.

• Simplify the equation below
  

  Simplify the equation below

  
  Form 2, Mathematics: Quadratic Equations and Expressions

  Date posted: February 26, 2019.

• Find the equation of a line passing through (4, -3) and parallel to the line whose equation is 4y – 3x = 8.
  

  Find the equation of a line passing through (4, -3) and parallel to the line whose equation is 4y – 3x = 8.

  
  Form 2, Mathematics: Equations of Straight Lines

  Date posted: February 26, 2019.

• Solve for the following 27^x +3^3x+1 =108
  

  Solve for the following 27^x +3^3x+1 =108

  
  Form 2, Mathematics: Indices

  Date posted: February 25, 2019.

• Factorize completely; a²-15ab +36b²
  

  Factorize completely; a²-15ab +36b²

  
  Form 2, Mathematics: Quadratic Equations and Expressions

  Date posted: February 23, 2019.

• Given the following, find b
  

  Given $a=\begin{pmatrix}4\\3\\ \end{pmatrix}$ , $c=\begin{pmatrix}-2\\-5\\ \end{pmatrix}$ and 3a -2b +4c = $\begin{pmatrix}10\\-19\\ \end{pmatrix}$, find b

  
  Form 2, Mathematics: Vectors 1

  Date posted: February 23, 2019.

• Given that sin (x+60)⁰= cos 2x⁰.find the value of x
  

  Given that sin (x+60)⁰= cos 2x⁰.find the value of x

  
  Form 2, Mathematics: Trigonometry 1

  Date posted: February 23, 2019.

• The points A’(3,2) and B’(4,-1) are the images of A and B under a translation. Given that the coordinates of A are (0,1)
  

  The points A’(3,2) and B’(4,-1) are the images of A and B under a translation.Given that the coordinates of A are (0,1), find the coordinates of B.

  
  Form 2, Mathematics: Transformations

  Date posted: February 23, 2019.

• Solve for x in : 4^x+1=32
  

  Solve for x in : 4^x+1=32

  
  Form 2, Mathematics: Indices

  Date posted: February 23, 2019.

• Solve for x: 9^x+3^2x-1=53
  

  Solve for x: 9x+32x-1=53

  
  Form 2, Mathematics: Indices

  Date posted: February 23, 2019.

• Solve for x in 2x² + x - 36 = 0
  

  Solve for x in 2x² + x - 36 = 0

  
  Form 2, Mathematics: Quadratic Equations and Expressions

  Date posted: February 20, 2019.

• Given that $OA =\begin{Bmatrix}2\\3\\ \end{Bmatrix}$ and $OA = \begin{Bmatrix}-4\\5\\ \end{Bmatrix}$.Find the midpoint m of AB.
  

  Given that $OA =\begin{Bmatrix}2\\3\\ \end{Bmatrix}$ and $OA = \begin{Bmatrix}-4\\5\\ \end{Bmatrix}$.Find the midpoint m of AB.

  
  Form 2, Mathematics: Vectors 1

  Date posted: February 20, 2019.

• The production of milk in litres of 14 cows on a certain day was recorded as follows
  

  The production of milk in litres of 14 cows on a certain day was recorded as follows 22,26,15,19,20,16,27,15,19,22,21, 20,22 and 28.Determine: a)the mode b)the median

  
  Form 2, Mathematics: Statistics 1

  Date posted: February 20, 2019.

• A bus takes 195 minutes to travel a distance of (2x+30)km at an average speed of (x-20)km/h. Calculate the actual distance traveled.
  

  A bus takes 195 minutes to travel a distance of (2x+30)km at an average speed of (x-20)km/h. Calculate the actual distance traveled. Give your answer in kilometers.

  
  Form 2, Mathematics: Linear Motion

  Date posted: February 20, 2019.

• Two numbers p and q are such that p³ x q =189, Find p and q.
  

  Two numbers p and q are such that p³ x q =189, Find p and q.

  
  Form 2, Mathematics: Indices

  Date posted: February 20, 2019.

• The mean mass of 18 form 4 boys is 64 kg. When their class teacher is added the mean becomes 65 kgs.
  

  The mean mass of 18 form 4 boys is 64 kg. When their class teacher is added the mean becomes 65 kgs. What is the mass of the class teacher in kilograms.

  
  Form 2, Mathematics: Statistics 1

  Date posted: February 19, 2019.

• Solve the equation 9^{x + 3} = 243
  

  Solve the equation 9^{x + 3} = 243

  
  Form 2, Mathematics: Logarithms and Indices

  Date posted: February 19, 2019.

• The volume of two similar solid spheres are 4752cm³ and 1408cm³. If the surface area of the small sphere is 352cm²
  

  The volume of two similar solid spheres are 4752cm³ and 1408cm³. If the surface area of the small sphere is 352cm², find the surface area of the larger sphere.

  
  Form 2, Mathematics: Similarity and Enlargement

  Date posted: February 19, 2019.

• A solid metal cylinder with radius 7 cm and height 5 cm is melted down and recast into a spherical ball. Calculate to 1 decimal place the surface area of this ball.
  

  A solid metal cylinder with radius 7 cm and height 5 cm is melted down and recast into a spherical ball. Calculate to 1 decimal place the surface area of this ball.

  
  Form 2, Mathematics: Common Solids

  Date posted: February 19, 2019.

• A motorist cycles a certain distance from X to Y at 10km/hr, he returns at 12km/hr. The total time taken is 1hr 50min. Find the distance XY.
  

  A motorist cycles a certain distance from X to Y at 10km/hr, he returns at 12km/hr. The total time taken is 1hr 50min. Find the distance XY.

  
  Form 2, Mathematics: Linear Motion

  Date posted: February 19, 2019.

• Solve the following inequalities and represent the solution on a number line and hence state the integral values of x
  

  Solve the following inequalities and represent the solution on a number line and hence state the integral values of x 7x – 4= 9x + 2‹3x + 14

  
  Form 2, Mathematics: Linear Inequalities

  Date posted: February 19, 2019.

• Given that OA = 2i + 3j and OB = 3i - 2j, find the magnitude of AB to one decimal place
  

  Given that OA = 2i + 3j and OB = 3i - 2j, find the magnitude of AB to one decimal place

  
  Form 2, Mathematics: Vectors 1

  Date posted: February 18, 2019.

• A line with gradient of -3 passes through the points (3, k) and (k, 8). Find the value of k
  

  A line with gradient of -3 passes through the points (3, k) and (k, 8). Find the value of k and hence express the equation of the line in the form ax + by = c, where a, b and c are constants.

  
  Form 2, Mathematics: Equations of Straight Lines

  Date posted: February 18, 2019.