If a teacher is asked to work out how time spent writing ... line. Figure 2: Animated graph showing possible places a line of best fit could be drawn. Credit: Technology Networks. Through the magic of ...

From that information, we can write ... equation. The word gas should not be included. The = symbol should be an arrow → instead. The word plus should be swapped for a + symbol. For example ...

The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression in completed square form. Find the equation of the line of symmetry ...