Question 519728
y=5x^2-3 is in the form y = a(x-h)^2+k where a=5, h=0 and k=-3



Since a > 0, the min value is y = k. Because k = -3, the min value is y=-3



Below is the graph to confirm


{{{ graph( 500, 500, -10, 10, -10, 10, 5x^2-3) }}}



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