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3 years ago

(4x 2 − 2x + 10) + (−2x 2 + 4x − 2)

Mathematics

1 answer:

Mariulka [41]3 years ago

6 0

Answer:

2x²+2x+8

Step-by-step explanation:

4x²-2x+10-2x²+4x-2

=4x²-2x²-2x+4x+10-2

=2x²+2x+8

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Suppose y varies directly as x, and y=14 when x=4. What is the value of y when x=9

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Given :-

y varies directly as x, and y=14 when x=4.

To Find :-

the value of y when x=9 .

Solution :-

According to Question ,

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14 = k(4)
k = 14/4
k = 7/2

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y = 7/2*9
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