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marusya05 [52]
3 years ago
7

Which two integers have a sum of 11 and a product of - 12 ?

Mathematics
1 answer:
Maurinko [17]3 years ago
8 0
The answer is 12 and -1

12 + (-1) = 11
(12)(-1)= -12
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For b), we find the vertex of y = -1/16x^2 + 4x + 3
                               y = -1/16x^2 + 4x + 3
                               y = -1/16(x^2 - 64x) + 3
                               y = -1/16(x^2 - 64x + 1024 - 1024) + 3
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The vertex is at (32,67) so 67 is the maximum height.

For c), we find the x-intercepts with the quadratic formula on
y = -1/16x^2 + 4x + 3=0:
                     x = [ -b ± √b^2 - 4ac ] / (2a)<span>
                     x = [ -4 ± √4^2 - 4(-1/16)(3) ] / (2(-1/16))   
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3 years ago
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Dmitriy789 [7]

Answer:

Step-by-step explanation:

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Second find the area of triangle which equals 0.5 * 4 * 6 = 12

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3 0
3 years ago
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