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Firlakuza [10]
3 years ago
10

If two variables have a positive linear correlation is the slope of the regression line for the variables positive or​ negative?

Mathematics
1 answer:
Olenka [21]3 years ago
3 0
Positive

................
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Use the discriminant to determine the number and type of solutions for the following equation. 12x2 + 10x + 5 = 0
Paul [167]
Discriminant D is given by:
D=b²-4ac
Implication of discriminant is as follows:

D<0 two zeros that are complex conjugate
D=0 one real zero of multiplicity 2
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D= (+ve perfet square)  two distinct rational zeros
From:
12x^2+10x+5=0
plugging in the equation we get:
10²-4×12×5
=100-240
=-140
thus
D<0

Answer is: 
<span>A two irrational solutions </span>
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