Question

HI CAN YOU answer this.. f(x)=3x^2-2x+5 by answering completing the squares and getting the h and k!!!! please needs answers now

Answer 1

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Answer 2

3x^2-2x+5 = 0

Move non-x term to the right
3x^2-2x = -5

Divide equation by coefficient of x^2
x^2 -(2x/3) = -5/3

Get coefficient of x (-2/3) divide it by 2 then square it.
-2/3 divided by 2 = -1/3
squaring -1/3 equals 1/9 then add to both sides of equation

x^2 -(2x/3) +1/9 = -5/3 +1/9

Take square root of both sides
(x + 1/3) = Sqr Root (-15/9 + 1/9)

(x + 1/3) = Sq Root (-14/9)
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Don't know about negative square roots but the answers are:
0.33333 plus 1.2472 i and
0.33333 minus 1.2472 i

Answer 3

thnks.....

Answer 4

u r welcome - hope it helps

Answer 5

wait a minute

Answer 6

when you divide 2 to -2/3 it seems like -2/3/3 its equal to -2/6 then you will sqare it it will be 4/36

Answer 7

please i need answer