Graph the interval on a number line and write the inequality notation as well.
A. -4 < x ? 
B. -4 < x < 
C. -4 ? x < 
D. -4 ? x ? 
Answer: B
Mathematics
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Simplify.
A. 
B. 
C. 
D. - 
Mathematics
Solve.x2 + 2x - 4 ? 0
A. (-?, -1 - 
] ? [-1 + 
, ?)
B. (-?, -1 - 
) ? (-1 + 
, ?)
C. (-?, -
] ? [
, ?)
D. [-1 - 
, -1 + 
]
Mathematics
Fill in the blank with one of the words listed below.
A number that can be written in the form a + bi is called a 
number.
A. conjugate B. complex C. i D. quadratic
Mathematics
Solve the problem.Of the following objects in nature, which one could never have self-similarity?
A. a cloud B. a soap bubble C. a mountain D. a coastline E. all of these could have self-similarity
Mathematics