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Nutka1998 [239]
3 years ago
5

A triangle is dilated with the resulting image appearing half as large as the original. Which rule best represents this dilation

?
A. (x, y) (2x, 2y)

B. (x, y) (.5x, 2y)

C.(x, y) (x-.5, y-.5)

D. (x, y) (.5x, .5y)

Mathematics
1 answer:
Helen [10]3 years ago
4 0
That’s the answer C.(x,y) (x-.5 y-.6)
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_____________________________________
Explanation:
____________________
Given:
____________________________
  -2(5a − 3b²) − 4b + 3 ;  
_________________________________
    "Use the distributive property [of multiplication] to expand the expression."
______________________________________________
Note the distributive property of multiplication:
______________________________________________
           a(b + c) = ab + ac ;
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So, we have:  " -2(5a − 3b²) − 4b + 3 "  ;
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Start  with:  " -2(5a − 3b²) " ; 
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   -2(5a − 3b²)  =  (-2*5a) − (-2*3b²)  =  (-10a) − (-6b²)
 
           =  -10a + 6b²
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        → Now, bring down the rest of the problem; 
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  -10a + 6b² − 4b + 3 ;  which is:  Answer choice:  [B].
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