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Find the equation of the tangent to the curve y = x2 -3x +5 at the point (1,3).

Find the equation of the tangent to the curve y = x 2 -3x +5 at the point (1,3).The tangent is a straight line of the form y = mx+cTo find the gradient, m, we first differentiate the function:dy/dx = 2x -3Th...
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Answered by Tilly D. • Maths tutor
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Explain the major and minor keys using the circle of fifths.

The circle of fifths is an expression used to describe the relationship between the twelve chromatic notes of the musical scale (A-G with sharps and flats in between). By using the circle of fifths, you can ...
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Answered by Orla G. • Music tutor
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2x+3x-4=5

3x+3x-4=5,6x-4=5,6x=9,x=9/6,x=3/2
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Answered by Ella D. • Maths tutor
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What is a product of prime factors?

A product of prime factors is a set of prime numbers that multiply to make the requested number. Essentially, when a question asks you to express a number as a 'product of primes', it wants you to break the ...
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Answered by Daniel K. • Maths tutor
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Why did Hughes do the policeman doll study?

Hughes believed that the original 3 mountains task used by Piaget was too difficult for children to understand - it involved them understanding what a doll saw and taking notes of different details and overa...
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Answered by Daniel K. • Psychology tutor
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