Solve the quadratic inequality. Write the solution set in interval notation.(x - 9)(x + 8) > 0
A. (-8, ?)
B. (-?, -8) ? (9, ?)
C. (-?, -9) ? (8, ?)
D. (-8, 9)
Answer: B
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Simplify the expression.log10 10
A. 1 B. 10 C. 0 D. -1
Provide an appropriate response.Find all complex fourth roots of z = -16. Write each root in rectangular form.
A. 2 + i, 2 - i, -2 + i, -2 - i
B. 1 + i, 1 - i, -1 + i, -1 - i
C. 8
+ 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
D. 
+ 
i, 
- 
i, - 
+ 
i, - 
- 
i
Solve the problem.Sara works at a fast food restaurant. On one day she sold 98 double hamburgers, 37 fish sandwiches, 87 orders of French fries, 90 small drinks, 48 medium drinks, and 45 large drinks. On the next day she sold 88 double hamburgers, 46 fish sandwiches, 47 orders of French fries, 15 small drinks, 74 medium drinks, and 74 large drinks. Write this information in a 2x6 matrix.
A. 
B. 
C. 
D. 
Factor completely.15x3 - 65x2 - 50x
A. (x2 - 5)(15x + 10) B. 5(3x - 2)(x + 5) C. x(3x + 2)(5x - 25) D. 5x(3x + 2)(x - 5)