RRB Government Jobs Exams

Write the quadratic function f(x) = -2x^2 -12x - 20 in standard form
(or vertex form).

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RRB Other Question

Going for a long trip, Joshwa drove for 3 hours and had lunch. After lunch he drove for 4
more hours at a speed that is 10 km/h more than before lunch. The total trip was 600 km.
a. What was his speed before lunch? Let f(x) = -2x^2 + 4x + 6.
a) Find the vertex of the graph of f.
b) Find the range of f.
c) Find the x - intercepts of the graph of f.
c) Find the y - intercept of the graph of f.