2017 Secondary 1 Express Mathematics

Qn 7 : Please complete the second column of the frequency table with the tally counting sticks.

Points to take note: Mark point with a "X" and label the letter beside the "X"   For Q1, 2 and 3, You need to connect the points using a ruler. Equation and gradient of special line that you need to know: Vertical line Gradient is undefined Equation:  x = a ,  [the vertical line cut the x -axis at point ( a , 0)]   Horizontal line Gradient = zero Equation:  y = b ,  [the vertical line cut the y -axis at point (0, b )]     The value of x  = 5 instead of 4.5 when y  = -6