Write with rational exponents and then apply the properties of exponents. Assume that all radicands represent positive real numbers. Give answers in exponential form.
? 
A. x10/20
B. x20/10
C. x7/9
D. x33/20
Answer: D
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Solve the differential equation.y'' - 6y' + 8y = 0
A. y = e4x(C1 cos 2x + C2 sin 2x) B. y = e2x(C1 cos 4x + C2 sin 4x) C. y = C1e-2x + C2e-4x D. y = C1e2x + C2e4x
Solve the formula for the specified variable.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
Give all possible rational zeros for the following polynomial.P(x) = 3x3 + 32x2 + 32x + 27
A. ±1, ± 
, ± 
, ± 
, ±3
B. ±1, ± 
, ±3, ±9, ±27
C. ±1, ±3, ±6, ±9, ±27
D. ±1, ±3, ±9, ±27
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x4 - 8x3 + 20x2 - 40x + 25
A. 5, 
; f(x) = (x - 5)(3x - 5)(x2 + 1)
B. -5, -1, 1, 
; f(x) = (x - 1)(3x - 5)(x + 1)(x + 5)
C. -5, -1, 1, - 
; f(x) = (x - 1)(3x + 5)(x + 1)(x + 5)
D. 1, 
; f(x) = (x - 1)(3x - 5)(x2 + 5)