Express in terms of i.
A. 11i
B. ±11
C. -i
D. -11i
Answer: A
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Rearrange the following equation to solve for f.
1 xc = ÄÄÄÄ 2ãfc a. 1 ÄÄÄÄÄ 2ãcxc b. 2ãcxc c. 2ãcx d. 2ãcf
Evaluate the expression. ? 4! ?
A. 120 B. 4 C. 12 D. 6 E. 24
Use the given data points to construct a linear model, then use the model to find the appropriate Celsius or Fahrenheit temperature.
Choose any two data points and use them to construct a linear equation that models the data, with x being Celsius and y Fahrenheit. Then use the equation to find the Fahrenheit temperature corresponding to 130° Celsius.
A. y = 
x + 32; 266° Fahrenheit
B. y = 
x + 32; 90° Fahrenheit
C. y = 
x + 32; 54° Fahrenheit
D. y = 
x + 32; 176° Fahrenheit
Solve the inequality.x2 + 8x + 15 > 0
A. (-?, -5) B. (-?, -5) or (-3, ?) C. (-5, -3) D. (-3, ?)