No SIM ?11 10:27 am48% 4revision wk ch 6A.pdfGrade 8- MathV International School Lahore(Chapter:6)Revision worksheet 6AQ1.Simplify each of the following:(5a3 b*)3a)25ab3b) 2ikı2)48 j2 k3e2+efc)ef + f²gh+hd)g²+7g+6e) 9h3x24ky25k2 y412 h² y25 a bc16 х у3f)15ab c28 x2 y z14 a³ b21abcg)6ху12 х2 уз81 a3 x3h)16bxy63ах224 b2 y4(а+3b)i)а-зь3(а-зь)259a+3b)3(g+h)j)10f8g+8h5 f3axk)ах-аах-х2x²y³I)7az34x2zЗаX21 a2z8хуm) *)9b3d16be+ (21c9a No SIM ?1 10:27 am48%Ex 5C revision work...Revision worksheet 5CQ1. In the figure, the curve y= 2x² – x – 6 cuts the x-axis at two points A and B,and the y-axis at the point C.Find the coordinates of A,B and C.y=2x²-x-6A OBQ2.The variables x and y are connected by the equation y = 2 x² – 8x +11.Some values ofx and the corresponding values of y are given in the table.-1123452111531121a) Find the value of qb) On a sheet of graph paper,using a scale of 2cm to represent 1 unit on the x-axisand 1 cm to represent 1 unit on the y-axis,draw the graph of y = 2x? -8x+11 for-1s x55c) Use your graph in (b) to findi) the value of y when x=1.5,ii) the value of x when y=8,iithe minimum value of y and the value of x at which this occurs.Q3. The variables x and y are connected by the equation y = 5 - x² .Some values of x and%3Dthe corresponding values of y are given in the table.-3-2-1123y-414541-4a) On a sheet of graph paper,using a scale of 2cm to represent 1 unit on each axis,draw the graph of y = 5 - x² for -35 xs3b) Use your graph in (a) to findi) the value of x when y=2.75,ii)the maximum value of yc)State the equation of the line of symmetry of the graph.Grade 8-MathInternational School LahoreRevisionQ4.A stone is thrown vertically upwards from the top of a cliff.Its height ,h metres,abovelevel ground,can be modelled by h=28 +42 t-12t2,where t is the time in seconds after thestone has been thrown.a) How high is the cliff?b) On a sheet of graph paper,using a scale of 2cm to represent 1 second on the t-axisand 1 cm to represent 5m on the h -axis,draw the graph of h=28+42t-12t?forOsts4.5.c)Use your graph in (b) to findi) the maximum height of the stone above level ground and the time at which thisoccurs,

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Answered: Revision wor Q1.Simplify each of the…

Revision wor Q1.Simplify each of the following: (5a³ b* )3 a) 25ab3 b) 2iki?)4 8 j2 k e?+ef c) ef + f2

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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