MCQ Questions

Question No. 1

Complete the table below by substituting the value given for x into the given equation to find the y values. Plot the points on a Cartesian plane and draw the straight-line graph.

Answer :

a) y = ½x

b) y = –x

c) y = x + 3

d) y = x – 1

e) y = –2x – 1

Question No. 2

Copy and complete the pair of tables for the given equations in each of the questions. Use these tables of values to plot the graphs of the equations. Give the coordinates of the point of intersection.

Answer :

a) x + y = 6; x | –1 | 0 | 1 | 2 | 3; y | 7 | | | | 4

b) x – y = 2; x | –1 | 0 | 1 | 2 | 3; y | –3 | | | | 3

Question No. 3

Plot these pairs of lines on the same pair of axes and state the point of intersection of each pair of lines. Use substitution to test whether this is the solution of both equations.

Answer :

a) 2x + y = 5 and x + 3y = 5

b) 2x + y = –3 and x – y = –3

c) y – x = –5 and x + y = –1

d) 2x + 5y = 24 and 4x + 3y = 20

e) 2x + 3y = 5 and 5x – 2y = –16

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