Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
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Suppose a and b are real numbers other than zero and that a> b. Use a number line to compare and order rational numbers.
?
>
?
A. False
B. True
The graph of a linear function f is shown. Write the equation that defines f. Write the equation in slope-intercept form.
A. y = -1 B. x = 1 C. x = -1 D. y = 1
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (0, 5, 0) B. no solution C. (0, 5, -5) D. (0, 0, 5)
Provide an appropriate response.Equating the numerators in the process of partial fraction decomposition, your friend has obtained the algebraic expression 
From this equation, what can you say about the original expression?
A. The original expression has a non-reducible quadratic factor in the denominator. B. The original expression has the factor (x2 + 3) in the denominator. C. The original expression has a numerator of (8x - 3)(3x - 3)(x + 3)(x + 3). D. The original expression has a repeating linear factor in the denominator.