KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
QUESTION 13 | KCSE 2023 | FORMULA & VARIATIONS | PAPER 2 | FORM 3 LEVELA quantity v varies directly as the square of u and inversely as the cube root of w. When u = 5 and w = 8, the value of' v = 375. Find the value of v when u = 8 and w = 125. (3 marks)
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QUESTION 12 | KCSE 2023 | QUADRATIC EQUATIONS | PAPER 2 | FORM 4 LEVELThe length and width of a rectangular floor of a room are 10 m and 7 m respectively. A rectangular carpet of area 28 m² is placed on the floor. The carpet leaves a uniform space of x m with each of the walls of the room.
Form a quadratic equation in x and hence solve for x. (3 marks) QUESTION 11 | KCSE 2023 | MATRICES & TRANSFORMATION | PAPER 2 | FORM 4 LEVEL
A transformation matrix T = [1 0] [k 0] maps P(2, 3) onto P'(2, 10). Point Q(-4, 4) is transformed under the same matrix T. Find the coordinates of Q', the image of Q. (3 marks)
T = \begin{pmatrix} 1 & 0 \\ K & 0 \\ \end{pmatrix}
QUESTION 10 | KCSE 2023 | COMMERCIAL ARITHMETIC II | PAPER 2 | FORM 3 LEVELThe following table shows monthly income tax rates of a certain year. In that year, a monthly relief of Ksh 2 400 was allowed. The net tax on Lesianto's monthly income was Ksh 1 500.
Calculate Lesianto's monthly income. (3 marks) QUESTION 9 | KCSE 2023 | GRAPHICAL METHODS | PAPER 2 | FORM 3 LEVELThe following figure shows a circle centre O.
Given that p = 5i - j + 3k, q = 8i + j and r = 2p - q, determine the magnitude of r1/1/2024 QUESTION 8 | KCSE 2023 | VECTORS II | PAPER 2 | FORM 3 LEVELGiven that p = 5i - j + 3k, q = 8i + j and r = 2p - q, determine the magnitude of r. (3 marks)
The following table shows the frequency distribution of marks scored by 40 students in a test1/1/2024 QUESTION 7 | KCSE 2023 | STATISTICS II | PAPER 2 | FORM 4 LEVELThe following table shows the frequency distribution of marks scored by 40 students in a test. Calculate the upper quartile mark. (3 marks)
QUESTION 6 | KCSE 2023 | TRIGONOMETRY II | PAPER 2 | FORM 3 LEVELSolve 6cos²(x) = 5sin(x) for 0≤x≤ 180°. (4 marks)
QUESTION 5 | KCSE 2023 | LONGITUDES & LATITUDES | PAPER 2 | FORM 4 LEVELA plane took 3 hours to fly from P(66.42°N, 30°E) to Q(66.42°N, 52.5°E). Determine the speed of the plane in knots correct to one decimal place. (3 marks)
QUESTION 4 | KCSE 2023 | CIRCLES, CHORDS AND TANGENTS | PAPER 2 | FORM 3 LEVELIn this question, use a ruler and a pair of compasses. The following figure shows a circle, centre O. A tangent to the circle at P is drawn. Construct another tangent to the circle to intersect the drawn tangent at an angle of 60°. (3 marks)
QUESTION 3 | KCSE 2023 | Formula & Variations | PAPER 2 | FORM 3 LEVEL |
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