Test #9 Review Polynomials
 1. The radius of a cylinder is 5x+3in. The height is –x + 4in. What is the lateral surface area of the cylinder in terms of pi. (Lateral Surface Area is A=2πrh)A) (10x2+34x+24)πB) (-10X2-34x-24)πC) (-10x2+34x+24)πD) (-10x2+34x-24)π2. What is the area of a square with a side length of x2+3y?A) x4+6x2y+9yB) 2x2+6yC) 4x2+12yD) x2+3y3. Simplify. (7x3+2x+x-3)+(-x3+2x2-x+5)A) 6x3+2x2+2x+2B) 7x2+2x2+2x+2C) 6X3+4x2+2D) 6x3+2x2+2x+84. Simplfy. (-9x2+x+10)+(5x2-13x+15)A) -4x4-122+25B) -14x4+12x+25C) -14x2-12x+25D) -4x2-12x+255. Simplfy. (-5x2+3x+27)-(7x2-8x+55)A) -12X2+11x-28B) 12x2-11x+28C) -2x2+11x-28D) 2x2-5x+826. Simplify (2b2+18b+150)-(6b2+21b+175)A) -4b2+3b+325B) -b4-3b-25C) 4b2-3b-25D) -4b2-3b-257. Calculate the area of the triangle below: A=1/2 bh. Height = 3z2 and base = 4z2+7zA) 12z4+21z2B) 7z2+7zC) 6z4+10.5z2D) 3.5z2+3.5z8. Simplify. x2 (2x+7)A) 2x2+7x2B) 9x2C) 2x3+7x2D) 2x2+79. Simplify. (5x2+8)(4x-2)A) 20x3+22x2-16B) 20x2-10x-16C) 20x2-22x-16D) 20x3-10x2+32x-1610. Simplify. - 4 z2 (3y+9zy)A) 12yz2+36z3yB) -12yz2-36yz3C) -yz2+9zyD) 12yz2-36z2y11. Simplify. ( 3p2-5r)(-p+6r)A) -3p3+18p2r+5pr+30r2B) Not hereC) -3p3+18p2r+5pr-30r2D) -3p3+23p2r-30r212. Simplify the following expression: 6a³/(6a ̄³)²A) a12/6B) a9/6C) a9/2D) a2/6
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