Solve and graph.x2 ? 100
A. -10 ? x ? 10
B. x ? 10
C. x ? -10 or x ? 10
D. x ? -10
Answer: C
Mathematics
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Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.-2x2 + 14x ? 12
A. (-?, 1] ? [7, ?)
| 1? | 7 |
B. (-?, 1] ? [6, ?)
| 1? | 6 |
C. (-?, -2] ? [7, ?)
| -2? | 7 |
D. (-?, -1] ? [6, ?)
| -1? | 6 |
Mathematics
Factor the expression completely.
?
What will be an ideal response?
Mathematics
Solve the problem.If a1 is 7, a26 is 
, and d is - 
, find S26.
A. 
B. 
C. 
D. 
Mathematics
Prove the identity.4 csc 2x = 2 csc2 x tan x
What will be an ideal response?
Mathematics