2025-kisii-sch-maths-form-4-p2-marking-scheme
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DATE 07 Dec 2025
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About This Document
Document Type: This is a Exam Paper, designed for Testing knowledge and exam technique.
Context: Standard material from the 2025 academic period.
Key Content: Likely covers essential definitions, problem solving, and structured questions to test your proficiency.
Study Strategy: Attempt these questions under timed conditions to simulate a real exam environment, then check against your notes.
Recommendation: comprehensive resource for students aiming to achieve top grades in their final assessments.
Detailed Content Overview
Introduction
This notes resource titled "2025-kisii-sch-maths-form-4-p2-marking-scheme" provides comprehensive exam preparation materials designed to test and enhance your understanding. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Master key concepts required for examination success
- Practice answering exam-style questions effectively
- Develop time management skills for timed assessments
- Identify and address knowledge gaps in understanding
Detailed Summary
KISII SCHOOL MOCK EXAM 2025 Kenya Certificate of Secondary Education (K. E) MATHEMATICS FORM 4 PAPER 2 MARKING SCHEME M1 1. +1) +3(5x-1) =6 8x+4+15x-3=6 23x + 1=6 23x=5 X=5/23 M1 A1 2a. 1-4(2x) +6(2x)2- 4(2x)3+(2x)4 1-8x+24x2-32x3+16x4 2b. 3log8(x+6)-3log8(x-3) =2 MI log8(x+6)3-log8(x-3)3=log864 (đĨ+6)3 log8[(đĨâ3)3]=log864 đĨ+6 3 log8[ ] =log864 M1 đĨâ3 đ+6 3log8( )=log864 log8( )= log864 đâ3 đĨâ6 1 đĨâ3 đĨâ6 3 log 8( M1 )log8641/3 đĨâ3 đĨ+6 log8 [ đĨâ3 đ+6 =4 ]= log84 đâ3 x+6=4x-12 18=3x x=6 A1 5. E=āļ§ đ2 â3đĻ đĻâ3đĨđ2 M1 Squaring M1 Collecting terms p P=Âą āļ§ 3đ¸2đĨ+1 A1 If Âą sign is missing 0 x âĨ 30 B1 2x+3y ⤠75 B1 Y âĨ 10 B1 đ2 â3đĻ E2= đĻâ3đĨđ2 E2y-3E2xp2=p2-3y E2y+3y =p2+3E2xp2 đ¸ 2 đĻ+3đĻ= 2 p 1+3đ¸ 2 đ đ¸ 2 đĻ+3đĻ 6. AT à BT = (PT)2 12BT=92 81 BT= 12 BT = 6. x2+y2-2x+4y=-1 â2 4 â2 4 X2+2x+( 2 )2+y2+4y+(2 )2=-1+( 2 )2+(2 )2 (x-1)2+(y+2)2=-1+1+4 (x-1)2+(y+2)2=4 Centre (1,-2) radius 2 9. â3 1ââ 3 à 2 3 2 3 1â 4 â3+ â3 2 â3 1+ 2 M1 A1 MI 3 â3+2 A1 M1 1 4 3 =4(â3 + 2 ) =4â3 + 6 For completing the square M1 B1 1+ = M1 A1 For centre and radius P1 10a. Graph attached L1 52â30 B1 22 10 b.
Study Tips & Recommendations
Time Management
Practice under timed conditions to improve speed and accuracy. Allocate specific time limits to each section.
Active Practice
Attempt all questions before checking answers. Review mistakes to understand where improvements are needed.
Mark Scheme Review
Study marking schemes carefully to understand how examiners award points and structure your answers accordingly.
Regular Review
Schedule periodic reviews to reinforce learning and combat forgetting. Use spaced repetition for optimal retention.
Content Preview
KISII SCHOOL MOCK EXAM 2025 Kenya Certificate of Secondary Education (K.C.S.E) MATHEMATICS FORM 4 PAPER 2 MARKING SCHEME M1 1. +1) +3(5x-1) =6 8x+4+15x-3=6 23x + 1=6 23x=5 X=5/23 M1 A1 2a. 1-4(2x) +6(2x)2- 4(2x)3+(2x)4 1-8x+24x2-32x3+16x4 2b. 1-2x =0.96 0.04=2x 0.02=x 1-8(0.02) +24(0.02)2-32(0.02)3+16(0.02)4 1-0.16+0.00096-0.000256+0.00000256 =0.849858556 =0.8499 B1 M1 A1 B1 3.True value āļĨ1 + đ= āļĨ1.44 = 1.2 đ Approx. value =1 + 2 =1+ =1.22-1.2 =0.02 0.02 = Ã100=1.67% 0.044 =1.22 2 M1 A1 1.2 4. 3...
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