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Maths
GCSE

(6^2 + 8^2)^1/2 = (125a^3)^1/3 Work out the value of a?

(62 + 82)1/2 = (125a3 )1/3(36+62)1/2 = (125a3 )1/31001/2 = (125a3 )1/3+/- 10 = (125...

KS
Answered by Kate S. Maths tutor
3846 Views

Find the co-ordinates where the curve y= 2x^2 + 7x + 3 crosses the x axis

At the x axis, y = 0 so the equation can be made equal to zero. For a polynomial of the form ax^2 + bx + c = 0, find the value of ac. E.G ac is 2*3 = 6. Determine the two numbers which give a sum equal to...

SP
Answered by Sophia P. Maths tutor
5021 Views

Solve the inequality 3x+7>x-3

To solve this inequality, we need to take steps to collect like terms on each side of the inequality. To start with, we can try getting all the numbers on one side of the inequality - on the left hand sid...

NB
Answered by Nick B. Maths tutor
3430 Views

The equation of a curve is y = ax^2 + 3x + c where a and b are integers. The curve has a minimum point at (1,1), find a and c

We start by trying to find out the values of a and c using the information about the minimum point. We know we can rearrange the right hand side by completing the square: y = a(x^2 + 3x)+cy = a(x+3/2a)^2+...

LE
Answered by Larbi E. Maths tutor
2750 Views

solve x^2 >3(x+6) (4 mks)

x2>3(x+6)Firsty expand brackets --> x2>3x+18Then make one side = to 0 ---> x2-3x-18>0Solve the quadratic (x+3)(x-6)>0find the solutions when =0 x=-3 and ...

LC
Answered by Lucy C. Maths tutor
2487 Views

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