Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. linear; positive
B. quadratic; negative
C. quadratic; positive
D. linear; negative
Answer: C
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Solve the formula for the indicated letter.
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 7x - 7y = -284x - 2y = -16
A. (-5, 1); consistent and independent B. (-4, 1); consistent and independent C. infinitely many solutions and dependent D. (-4, 0); consistent and independent
Write the expression without using negative exponents, and simplify the resulting complex fraction. Assume that the denominator is not 0.
?
?
A. ?
B. ?
C. ?
D. 
E. ?
Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 36; -
i
A. 
i, -
, 
B. 
i, -6, 6
C. 
i, -
, 
D. 
i, -
, 