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| How do you factorize a) 7y+14 b) 6y^3 - 2y^2 | |
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| What is quadratic, how can you remember it? | |
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| I've got a puzzle from a past paper. It is using an equation to find the number of cars passing a point on the road. We are told that N cars pass the point in one minute. The formula is N= 30v/2+v. We have to find v, which is the speed per second of... | |
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| I am not sure about surds. I have encountered a question in a past paper which has confused me. It is 'Multiply out the brackets of v2 (v6 - v2)'. | |
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| I am having problems with questions like - 'For what value of a does the equation ax(squared) + 20x + 40= 0 have equal roots?' Please can you help me! | |
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| A rectangular building is 20m long and 12m wide, a concrete path is to be laid all the way round the building. If the area of the path is 75 m squared. Calculate the width to the nearest mm, using quadratic equations. | |
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| I don't quite understand this equation: 3a+3=27, can you explain me how you work it out? There are some more examples that I don't understand like: 4b-4=32; 5a+5=20; 6a-3=33; 2x+5=15 | |
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| I am having problems with questions envolving parabola graphs.The question I am having trouble with is as follows: Find the co-ordinates of the points of intersection of the line y=x with the parabola y=x2 - 2x +2 | |
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| i think maths is very difficult as compared to sxe...........
sxe is very easy yaaaar. | |
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| Is algebra really useful anywhere. What do we learn by learning Algebra (all those x+y and a+b )... I did like it and I got good marks, but I just don't know where it is used. Please let me know if you all know. Thanks. | |
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