
Ex 3.2c Quadratic eqns 4: From word problems
Quiz by Paul Kimani
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
The length of a room is 4 meters longer than itswidth. Find the length of the room of it’s area is 32 m2. (3 mks)(KCSE 2001 Pp1 qn 7)
The length of a flower garden is 2m less than twice it’s width. The area of the garden is 60 m2. Calculate it’s length. (3 mks) (KCSE 2010 Pp2 qn 5)
Neema did y tests and scores a total of 120marks. She did two more tests which she scored 14 and 13 marks. The mean score of the first y tests was 3 marks more than the mean score for all the tests she did. Find the total number of tests that she did. (6 mks) (KCSE 2012 pp1 qn20b)
John cycled 6 km from his home at an average speed of (2x-3) km/h. Peter walked 2.4 km from his home to the school at an average speed of x km/h. Determine the time in minutes that John took to reach the school. (6 mks) (KCSE 2021 pp1 qn 21)
1.     Kering purchased (2x-1) identical pens for Ksh 180.Naraya purchased (3x+1) pencils for Ksh 200
a)Â Â Â Â Â Write anexpression for the:
i)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Price of one pen(1 mk)
ii)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Price of onepencil (1 mk)
A pen costs Ksh 4 more than a pencil. Form an inequation in x and hence find x (4 mks) (KCSE 2020 pp2 qn 19)