Write the exponential equation as an equation involving a logarithm.45/2 = 32
A. 
= 4
B. log324 = 
C. log54 = 
D. log432 = 
Answer: D
Mathematics
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3(x - 1) = 16
A. {2.68} B. {3.52} C. {1.52} D. {6.33}
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. -5 B. 625 C. 5 D. not a real number
Mathematics
Graph the polynomial function. f(x) = x3 + 5x2 - x - 5
A. 
B. 
C. 
D. 
Mathematics
Make a change of variable, x = Py, that transforms the given quadratic form into a quadratic form with no cross-product term. Give P and the new quadratic form.Q(x) = 13
+ 12
+ 5
+ 20x1x2 + 8x1x3 + 12x2x3
A.
P = 
; 5
+ 2
+ 
B.
P = 
; 25
+ 4
+ 
C.
P = 
; 25
+ 4
+ 
D.
P = 
; 
+ 4
+ 25
Mathematics