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Mathematics 20 Online
OpenStudy (anonymous):

h

ganeshie8 (ganeshie8):

Look at the leading coeffiecient, its NEGATIVE, so the graph faces DOWN

ganeshie8 (ganeshie8):

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ganeshie8 (ganeshie8):

having that knowledge, you can strike off 2 options confidently

ganeshie8 (ganeshie8):

yes, graph2 and graph4 are gone

OpenStudy (anonymous):

https://www.desmos.com/calculator

ganeshie8 (ganeshie8):

look at graph3 it cuts x-axis at 1 so (1, 0) is a point

ganeshie8 (ganeshie8):

lets see if (1, 0) satisfies the given equation :- y= -x² + 2x + 3 0 = -1 + 2 + 3 0 = -1 + 5 0 = 4 NO so graph3 is not ur answer

ganeshie8 (ganeshie8):

np :) u can use desmos calculator given by @LaceyAngelFace to double confirm ur work ok :)

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