Write the equation in the standard form ax2 + bx + c = 0. Then identify the values of a, b, and c. Do not actually solve the equation.x = -0.7x2 + 7.1
A. a = 0.7, b = -1, c = -7.1
B. a = -0.7, b = 7.1, c = -1
C. a = -0.7, b = -1, c = 7.1
D. a = -0.7, b = -1, c = -7.1
Answer: C
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A. 
B. 
C. 
D. 
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+ cos 
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B. 2 cos(4?) cos 
C. 2 sin(4?) sin 
D. 2 cos(4?)
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and 
between 
and
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?
?(-21, 12
)
?
A. 
B. 
C. 
D. 
E. 
Factor the polynomial completely.x3 - 125
A. (x - 5)(x2 + 25) B. (x + 5)(x2 - 5x + 25) C. (x - 5)(x2 + 5x + 25) D. (x + 125)(x2 - 1)