Write a quadratic equation having the given numbers as solutions. - 
, - 
A. 2x2 + 
x + 7 = 0
B. 2x2 - 25x + 35 = 0
C. 2x2 - 
x + 7 = 0
D. 2x2 + 35x - 25 = 0
Answer: A
Mathematics
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Solve the problem.A Tasmanian lottery ticket consists of choosing 7 different numbers between 1 and 56. The number of possible lottery tickets is given by
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
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Evaluate the determinant:
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Factor out the greatest common factor.21x4 - 9x3 + 15x2
A. 3x(7x3 - 3x2 + 5x) B. 3(7x4 - 3x3 + 5x2) C. 3x2(7x2 - 3x + 5) D. x2(21x2 - 9x + 15)
Mathematics
Solve the absolute value equation. 
= 9
A. {14} B. {14, -4} C. {-14, 4} D. ?
Mathematics