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Margarita [4]
3 years ago
12

Which equation is equivalent to x2+10x+2=0 ?

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0
<span> x =(10-√92)/2=5-√ 23 = 0.204 or </span><span><span>x =(10+√92)/2=5+√ 23 = 9.796 </span> </span>
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A perpendicular bisector, CD is drawn through point C on AB. 
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<u>Answer</u>

B(18/5,0)


<u>Explanation</u>

First we find the coordinates of C;

C (x, y) = [(-3+7)/2, (2+6)/2]

           = (2, 4)

Find the equation of CD.

slope = (6-2)/(7--3)

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For the x-intercept y = 0

∴ y = (-5/2)x + 9  

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5/2 x = 9

x = 2/5 × 9

  = 18/5

x-intercept  = (18/5, 0)


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