If p, q, r, ... are the roots of the equations, then (x-p), (x-q), (x-r), etc are the factors (and conversely).
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6The line of best fit has the equation = -3 + 2.5x. What does this equation predict for a value of x = 3?Answer: 4.5
x = sqrt 100
It is an incorrect equation.
The equation is xy = 5*9 = 45 Alternatively, y = 45/x
The equation 2x - 3y = 6 is a linear equation and a linear equation is always has a straight line as a graph