Perform the addition or subtraction.(4x4 - 5x2) + (9x4 - 2x2)
A. 6x6
B. 6x12
C. 13x8 - 7x4
D. 13x4 - 7x2
Answer: D
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Write the equation of the circle in standard form. Find the center and radius. Then sketch the graph.x2 + y2 - 8x + 2y + 8 = 0
A. (x - 4)2 + (y - 1)2 = 9
(h, k) = (4, 1), r = 3
B. (x - 4)2 + (y + 1)2 = 9
(h, k) = (4, -1), r = 3
C. (x + 4)2 + (y + 1)2 = 9
(h, k) = (-4, -1), r = 3
D. (x + 4)2 + (y - 1)2 = 9
(h, k) = (-4, 1), r = 3
What are the dimensions of a rectangle whose area is 
square feet?
?
__________ feet
What will be an ideal response?
Solve the equation after making an appropriate substitution.x2/3 + 3x1/3 - 10 = 0
A. {-2, 5} B. {-8, 125} C. {-5, 2} D. {-125, 8}
Use Descartes' Rule of Signs and 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) = 4x3 + 19x2 - 8x + 15
A. -1, 
, 5; f(x) = (4x - 3)(x - 5)(x + 1)
B. -1, 
, -5; f(x) = (4x - 3)(x - 5)(x + 1)
C. 1, 
, -5; f(x) = (4x - 3)(x - 1)(x + 5)
D. -5, 
, 1; f(x) = (4x - 3)(x - 1)(x + 5)