Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 + 2x + 4 = 0
A. Two different real-number solutions
B. Two different imaginary-number solutions
C. One real solution
Answer: B
Mathematics
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Express the set using the set builder notation.{2, 4, 6, 8}
A. {x |x ? N and x < 10 and an even number} B. {x | x ? N and x < 8 and an even number} C. {x | x ? N and an even number} D. {2, 4, 6, 8}
Mathematics
Simplify the rate and write the result in words.
A. 
; 36 tubs of ice cream for every 19 people
B. 
; 9 people for every 19 tubs of ice cream
C. 
; 9 tubs of ice cream for every 76 people
D. 
; 9 tubs of ice cream for every 19 people
Mathematics
Subtract.7711
A. 7293 B. 7315 C. 7313 D. 315
Mathematics
Solve the equation.
A. 
B. 
C. 
D. 
E. 
Mathematics