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Mathematics 16 Online
OpenStudy (anonymous):

Based on the graph of y = x2 − 2x − 3, what is the x coordinate of the positive x-intercept?

OpenStudy (anonymous):

Set y=0 and solve the quadratic equation with the formula, choose only the positive valued x as your solution.

OpenStudy (campbell_st):

factorise the equation (x - 3)(x + 1) = 0 then find the zeros... one will be positive and one will be negative

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