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Find the area encompassed by y=(3-x)x^2 and y=x(4-x) between x=0 and x=2.

This is an integration question. The limits have been provided. Firstly find the integral for the first curve int{x(4-x)}dx int{4x-x 2 }dx 2x 2 -x 3 /3 Apply the limits x=2,0 [2(2) 2 -(2) 3 /3]-[2(0) 2 -(0) ...
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Answered by Anthony D. • Maths tutor
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How do I multiply 2 matrices?

To multiply two matrices we need to name them A and B. If for example we have 2 2X2 square matrices we know this will create a 3rd 2x2 martix For this example we will use : A: 2 -1 3 4 and B: 5 0 -2 -2 To mu...
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Answered by Ciara R. • Maths tutor
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How do i solve a system of 2 equations?

This problem is one that can be confusing if not tackled orderly. Let us have an example of a system of 2 equation: 3x + 5y = 13 4x + 7y = 18 First we must choose one of the two and then express one of our v...
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Answered by Ioan I. • Maths tutor
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Bag A contains £7.20 in 20p coins. Bag B contains only 5p coins. The number of coins in bag B is three-quarters of the number of coins in bag A. How much money is in bag B?

First you want to find out how many coins there are in bag A. So how many 20p coins do you need to make £7.20? This is the same as 720p. 720 divided by 20 is the same as 72 divided by 2 which is 36. So there...
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Answered by Anezka E. • Maths tutor
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Do y=3x^2+5x+12 and y=3x-8 intercept with each other? If yes, at which point(s)?

This is like solving 2 simultaneous equations. Both equations are in a form of y=ax^2+bx+c. Equate both equations together and you got: 3x 2 +5x+12 = 3x-8 Put both polynomials at one side and you got: 3x 2 +...
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Answered by Justin H. • Maths tutor
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