Rewrite the expression with a rational exponent. 
A. (7x9y)5
B. 
? (7x9y)
C. (7x9y)1/5
D. 
Answer: C
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Determine if the following polygons are similar.?
6'' 2.4'' 3''
7'' 7" 1.2''
2.8'' 6'' 2.4'' ?
A. ?No, there is no constant of proportionality. B. No, ?6/2.4 = 2.5, but 3/1.2 = 2.8 C. ?Yes, the constant of proportionality is 2.5. D. ?Yes, the constant of proportionality is 2.4. E. ?Yes, the constant of proportionality is 2.8.
Choose the expression or equation that is equivalent to the one given.24 = x
A. log4 x = 2 B. log2 x = 4 C. logx 2 = 4 D. log2 4 = x
Evaluate the expression. Write answer without exponents.(5.08)1/2
A. 25.8064 B. 2.25389 C. 10.16 D. 0.03875
Write the equation in terms of a rotated x'y'-system using ?, the angle of rotation. Write the equation involving x' and y' in standard form.14x2 + 12
xy + 2y2 - 17 = 0; ? = 30°
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= -1