Graph the system of inequalities.2x + y < 62x + y > 1
A. No solution
B. 
C. 
D. 
Answer: C
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Write the negation of the compound statement.John went to Macy's or Sears.John __________ (did not go, went) to Macy's and he __________ (went, did not go) to Sears.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A mathematician has found 5 solutions to a homogeneous system of 40 equations in 42 variables. The 5 solutions are linearly independent and all other solutions can be constructed by adding together appropriate multiples of these 5 solutions. Will the system necessarily have a solution for every possible choice of constants on the right side of the equation? Explain.
What will be an ideal response?
Find the exact value of the expression.tan (45° - 210°)
A. 2 + 
B. -2 - 
C. 2 - 
D. 
- 2
Find the amplitude, period, or phase shift as specified.Find the amplitude of y = -3 sin (2x + ?).
A. -6
B. ?
C. 3
D. 