Find all valid real roots for the equation.5x8 + 13x4 = 28
A. x = ±
, x = 
B. no real roots
C. x = 
D. x = ±
Answer: D
Mathematics
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Rewrite the expression with a positive rational exponent. Simplify, if possible.
? 
A. x22/7
B. x11/5
C. 
D. 
Mathematics
Solve and check.0n = 18
A. No solution B. n = -18 C. n = 18 D. n = 0
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. x3/8 + 3x2/8
A. x1/8(x1/8 + 3) B. x1/4(x-1/8 + 3) C. x1/8(x3/8 + 3) D. x1/4(x1/8 + 3)
Mathematics
Evaluate.(0.73)2
A. 1.46 B. 0.5329 C. 53.29 D. 0.365
Mathematics