Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.s2 + 7s - 8 = 0
A. Two different imaginary solutions
B. Two different irrational solutions
C. Exactly one rational solution
D. Two different rational solutions
Answer: D
Mathematics
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [7, ?)
B. (-?, 0] ? [5, 7)
C. (-?, 5] ? [7, ?)
D. [0, 5] ? [7, ?)
Mathematics
Multiply and simplify.(1 - cot ?)2
A. csc2? - 2 cot ? B. 1 + 2 sin2? C. cos2? - cot ? D. sin ? + csc ?
Mathematics
Insert <, >, or = to make the statement true.
_____ 
A. < B. = C. >
Mathematics
Perform the indicated operation.6 tons 463 lb - 2 tons 377 lb
A. 8 tons 86 lb B. 8 tons 840 lb C. 4 tons 86 lb D. 3 tons 86 lb
Mathematics