Mathematics, 01.10.2019 10:00 naiomireyes74p2aybs
Which statement describes the graph of f(x) = 4x2 20x 25? the graph does not intersect the x-axis. the graph touches the x-axis at (–2.5, 0). the graph intersects the x-axis at (–0.4, 0) and (0.4, 0). the graph intersects the x-axis at (2, 0) and (5, 0).
Answers: 2
touches the x-axis at one point, when 
intersects x-axis at two points, when 
the discriminant D is
then the tangent point has x-coordinate 
(value at which y=0).Another question on Mathematics
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Which statement describes the graph of f(x) = 4x2 20x 25? the graph does not intersect the x-axis....
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