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Find the equation of the tangent to the curve y = 3x^2(x+2)^6 at the point (-1,3), in the form y = mx+c

Curve: y = 3x 2 (x+2) 6 Coordinate: (-1, 3) This is typically a C3/4 level question because of the differentiation, but the rest of the question is possible with year 12 maths knowledge. The best way to tack...
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Answered by BUNEME K. • Maths tutor
12818 Views

Solve x^3 - 25 = 103 - x^3

First, bring -25 to the other side: +25 which gives x 3 = 128 - x 3 Now, same with - x 3 ( + x 3 for both sides), giving 2x 3 = 128 128 / 2 gives the value of 64 for x 3 In order to find the value for x, now...
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Answered by Franziska F. • Maths tutor
3683 Views

What is the chemical structure of metal

Metals are arranged in a regular lattice structure with the positive ions being held together via a sea of delocalised negative electrons.
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Answered by Kevin Z. • Chemistry tutor
2883 Views

What factors affect rate of photosynthesis in a plant?

There are three key factors affecting rate of photosynthesis at GCSE level. They are light intensity, CO2 concentration, and temperature. These factors are best visualised by drawing graphs with rate of phot...
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Answered by Kieran F. • Biology tutor
7684 Views

How do you use the quadratic formula?

So we use the quadratic formula to find out 2 values of x satisfies the quadratic equation we have been given. First we need to write the quadratic formular down, (x=-b.. etc). If you see, we need to plug in...
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Answered by Amy B. • Maths tutor
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