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How do you complete the square for the question x^2 + 6x - 10 ?

  1. the x squared is counted as A, the 6x is counted as B and -10 is C2) you halve the B term so in this case it would be 3x from the 6x and write it with an x in a bracket squared e.g. (x+3)^23) then y...
AS
Answered by Amelia S. Maths tutor
3738 Views

Solve algebraically the simultaneous equations: 6m + n = 16 and 5m - 2n = 19

The first step of solving simultaneous equations with two unknown variables (m & n in this case) is to rearrange one of the equations so that we get one variable in terms of the other. Lets take the f...

HD
Answered by Harry D. Maths tutor
4090 Views

Given that y= x^(-3/2) + (1/2)x^4 + 2, Find: (a) the integral of y (b) the second differential of y

This is a typical question for a Core 1 paper. (a) integral of y = (-2)x^(-1/2) + 0.1x^5 + 2x +C Method: Increase the power of x by +1, divide the term through by the new power. (b) dy/dx = (-3/2)x^(-5/2)...

Answered by Maths tutor
2923 Views

How do I expand 2 sets of brackets to make a quadratic?

The FOIL method should be used to expand 2 sets of brackets. FOIL stands for: FIRST, OUTSIDE, INSIDE, LAST. Here is the foil method used without numbers; this creates a general formula. Expanding (x+a)(x+...

SL
Answered by Sarah L. Maths tutor
2057 Views

Multiply 1/4 by 1/8

1/32

TT
Answered by Teresa T. Maths tutor
2296 Views

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