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| Tweet Topic Started: Jan 28 2011, 04:38 AM (22 Views) | |||||||||||||
| seaton | Jan 28 2011, 04:38 AM Post #1 | ||||||||||||
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REVIEW QUESTIONS. 2. Copy the following table, then completeit for the equations listed blow. a) y= -3 (X-5)2+6 b) y=2 (x-1)2 c) y=0.5 (x+2)2 -5
3. Graph eacgh equation from question # 2 on graph paper. Label each graph. 5. Conver the following equations into standard orm: a) y= -2(x-4)2 + 7 b) y=4 (x+3)2 11. the height of the ball kicked frmo the ground is modeled by the equation h= -1.4t2 + 8.4t (where h is the height, and t is the time) a) find the zeros of the equation. b) when oes the rocket hit hte ground? c) after how many seconds is the rocket at its maximum height? d) determin the maximum height raeched by te rocket. e) draw a sketch of the curve that represens the flight of the rocket. Include labels of the zero, maximm, axis of symmetry and their values. 15. You decide to take an old painting of your grandmother's to the antiqu roadshow to have it appraised. your grandmother told you that it cost her $5 when she bought it 63 years ago. If it's vaue has been increasing at a rage of 47% per year, how much do you expect it to be apraised for? 16. You just bought a brand new car for $22,000. Cars generally depreciate in value of about 9.5% per year. How much could you sell the car for when it's 3 years old? 17. Identifiy each of the following equeistions as linear, quadratic or exponential. a) Y=x2 + 3 b) y=4x -10 c) y =12x d) y=8 e) y=8x2 -3x +1 f) y=(1/3)x Edited by seaton, Jan 28 2011, 04:57 AM.
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2:14 PM Jul 11