Solve equation 2x^{2}−5x−7 = 0 by using the quadratic formula. then write 2x^{2}−5x−7 in form of a(x−r_{1})(x−r_{2}).

both equations and proportions are better.

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

step-by-step explanation:

f(gx)=f(1/x+2)

=(1/x+2)+2

=(1+2x)/2+2

=(1+2x+4)/2

= (2x+5)/2

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