Reinforcement Worksheet - Graphs 2 [PDF]

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The City School Southern Region Reinforcement Worksheet Mathematics Class 8 Topic: Graphs 2



Name: _________________________



Section: _____



Date: __________



Time: ___________ Q1



Encircle the correct option. i.



The gradient in the function 2y = – 3x + 1 is A. – 3 B. 3 C. – 3/2 D. ½



ii.



Graph of every linear equation in two variables represents a A. curve B. wave C. straight line D. definite shape



iii.



In the function y = mx + c, the y-intercept is A. m B. x C. y D. C



iv.



The gradient of a linear function represents the A. curve of the graph B. shape of the graph C. steepness of the graph D. thickness of the graph



Mathematics/Graphs 2 - Reinforcement Worksheet/ EoY -2015/ Class 8



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Q2 a) b) c) d) e) Q3



Fill in the blanks: In case of a function x = 33.33 the linear graph will be ___________to y-axis. The ratio between rise and the run is called _____________. If the two lines are parallel then their gradients are ______________. A linear function always makes a ______________ graph. A graph cutting the y-axis at 8 with a gradient of 4 will have a function _______________. The following graph gives the distance of a cyclist from his home.



a) (i) How far away from home was he at 10 a.m.? (ii) For how long did he take rest?



______________________ ______________________



b) (i) Find his speed from 8 am to 10 am. ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ (ii)During what time did the cyclist travel most quickly?



_______________________



c) What is his average speed for the whole journey? ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Q4 Q5



Plot the given points on a graph (– 3, 2) (0, 0) (1, –1) Solve the simultaneous equations by graphical method. 3𝑦 + 2𝑥 = 12 𝑦 = 𝑥– 1



Mathematics/Graphs 2 - Reinforcement Worksheet/ EoY -2015/ Class 8



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