Determine whether the following is a difference of squares.-81x2+ 81y2
A. Yes
B. No
Answer: A
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State whether the function is linear or quadratic.f(x) = 4x + (1.9)2
A. Linear B. Quadratic
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 3 
A. 
2 + y2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
B. 
x = 3; vertical line 3 units to the right
of the pole
C. 
x2 + 
2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
D. 
x2 + y2 = 9; circle, radius 3,
center at pole
Determine whether the algebraic expression is a polynomial (Yes or No). If it is a polynomial, write the polynomial in standard form, determine the degree and state if it is a monomial, binomial, or trinomial. If it is a polynomial with more than 3 terms, identify the expression as a polynomial.4x-4 - 8x + 2
A. yes; 4x-4 - 8x + 2; degree 2; polynomial B. no C. yes; 4x-4 - 8x + 2; degree -4; trinomial D. yes; 4x-4 - 8x + 2; degree 4; binomial
Solve the equation.x - 
= 
A. x = 
B. x = 
C. x = 1
D. x = 