exam Maths Puzzle Numerical Ability

14.31 minus blank = 11.43

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Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible.

(2,-3)and (2, 4) Explain what the value of the discriminant means to the graph of y = ax2+bx+c=0.
Hint: Chose values of a,b, and c to create a particular discriminant. Then, graph the correspondi