Find vertex and intercepts for each parabola and sketch its graph
y= -x^2 -3x-2
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find vertex and intercepts for each parabola and sketch its graph
y= -x -3x-2
, we know that the vertex is at (-3/2, ¼).
Let x=0, we get
So, the y-intercept is at (0, -2).
Let y=0, we have
x=-1 or x=-2.
Hence, two x-intercepts are (-1, 0) and (-2,0).
See a sketch of the graph below.© BrainMass Inc. brainmass.com December 24, 2021, 6:59 pm ad1c9bdddf>