Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = x2 - 3x - 108
A. x = -12, x = 1
B. x = 12, x = -9
C. x = -12, x = 9
D. x = 12, x = 9
Answer: B
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Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 3 units to the right
A. y = 
B. y = 
+ 3
C. y = 
D. y = 
- 3
Use the formulas for measuring sounds to find the missing value. 
The intensity I of a sound is given. Find the loudness L of the sound.I = 10-7 W/m2
A. L = 70 dB B. L = 60 dB C. L = 190 dB D. L = 50 dB
The problem that follows refers to triangle ABC.
?
If 
and 
inches, find b.
?
Apply the rules regarding the use of significant digits.
?
A. 148 inches B. 160 inches C. 150 inches D. 154 inches E. 138 inches