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Complete the table below for the function y=7 + 2x— 2x² for the range -3= x = 4.

(a) Complete the table below for the function y=7 + 2x— 2x² for the range -3= x = 4.

(b) (i) On the grid provided draw the graph of y=7 + 2x— 2x² .
Take the scale:2 cm to represent 1 unit on x- axis
1 cm to represent 1 unit on y- axis
(ii) Use your graph to estimate the roots of 7 + 2x— 2x² = 0.

(c) (i) By drawing a suitable line on the same axes in (b) above solve the equation
9 + 5x— 2x² = 0
(ii) State the co-ordinates of the turning point

Answers

maurice.mutuku answered the question on August 27, 2019 at 09:35

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