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

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

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
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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No SIM ? 11 10:27 am 48% 4 revision wk ch 6A.pdf Grade 8- Math V International School Lahore (Chapter:6) Revision worksheet 6A Q1.Simplify each of the following: (5a3 b*)3 a) 25ab3 b) 2ikı2)4 8 j2 k3 e2+ef c) ef + f² gh+h d) g²+7g+6 e) 9h3x2 4ky2 5k2 y4 12 h² y 25 a bc 16 х у3 f) 15ab c2 8 x2 y z 14 a³ b 21abc g) 6ху 12 х2 уз 81 a3 x3 h) 16bxy 63ах2 24 b2 y 4(а+3b) i) а-зь 3(а-зь) 259a+3b) 3(g+h) j) 10f 8g+8h 5 f3 ax k) ах-а ах-х 2x²y³ I) 7az3 4x2z За X 21 a2z 8ху m) *) 9b 3d 16be + ( 21c 9a
Transcribed Image Text:No SIM ? 11 10:27 am 48% 4 revision wk ch 6A.pdf Grade 8- Math V International School Lahore (Chapter:6) Revision worksheet 6A Q1.Simplify each of the following: (5a3 b*)3 a) 25ab3 b) 2ikı2)4 8 j2 k3 e2+ef c) ef + f² gh+h d) g²+7g+6 e) 9h3x2 4ky2 5k2 y4 12 h² y 25 a bc 16 х у3 f) 15ab c2 8 x2 y z 14 a³ b 21abc g) 6ху 12 х2 уз 81 a3 x3 h) 16bxy 63ах2 24 b2 y 4(а+3b) i) а-зь 3(а-зь) 259a+3b) 3(g+h) j) 10f 8g+8h 5 f3 ax k) ах-а ах-х 2x²y³ I) 7az3 4x2z За X 21 a2z 8ху m) *) 9b 3d 16be + ( 21c 9a
No SIM ? 1 10:27 am 48% Ex 5C revision work... Revision worksheet 5C Q1. 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-6 A OB Q2.The variables x and y are connected by the equation y = 2 x² – 8x +11.Some values of x and the corresponding values of y are given in the table. -1 1 2 3 4 5 21 11 5 3 11 21 a) Find the value of q b) On a sheet of graph paper,using a scale of 2cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis,draw the graph of y = 2x? -8x+11 for -1s x55 c) Use your graph in (b) to find i) 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 %3D the corresponding values of y are given in the table. -3 -2 -1 1 2 3 y -4 1 4 5 4 1 -4 a) 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 xs3 b) Use your graph in (a) to find i) the value of x when y=2.75, ii)the maximum value of y c)State the equation of the line of symmetry of the graph. Grade 8-Math International School Lahore Revision Q4.A stone is thrown vertically upwards from the top of a cliff.Its height ,h metres,above level ground,can be modelled by h=28 +42 t-12t2,where t is the time in seconds after the stone 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-axis and 1 cm to represent 5m on the h -axis,draw the graph of h=28+42t-12t?for Osts4.5. c)Use your graph in (b) to find i) the maximum height of the stone above level ground and the time at which this occurs,
Transcribed Image Text:No SIM ? 1 10:27 am 48% Ex 5C revision work... Revision worksheet 5C Q1. 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-6 A OB Q2.The variables x and y are connected by the equation y = 2 x² – 8x +11.Some values of x and the corresponding values of y are given in the table. -1 1 2 3 4 5 21 11 5 3 11 21 a) Find the value of q b) On a sheet of graph paper,using a scale of 2cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis,draw the graph of y = 2x? -8x+11 for -1s x55 c) Use your graph in (b) to find i) 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 %3D the corresponding values of y are given in the table. -3 -2 -1 1 2 3 y -4 1 4 5 4 1 -4 a) 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 xs3 b) Use your graph in (a) to find i) the value of x when y=2.75, ii)the maximum value of y c)State the equation of the line of symmetry of the graph. Grade 8-Math International School Lahore Revision Q4.A stone is thrown vertically upwards from the top of a cliff.Its height ,h metres,above level ground,can be modelled by h=28 +42 t-12t2,where t is the time in seconds after the stone 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-axis and 1 cm to represent 5m on the h -axis,draw the graph of h=28+42t-12t?for Osts4.5. c)Use your graph in (b) to find i) the maximum height of the stone above level ground and the time at which this occurs,
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