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Maths
GCSE

What is differentiation and what does it actually mean?

Differentiation is the process of finding the rate of change of a function with respect to its independent variable. In simpler terms, by differentiating, you can find the gradient of a curve. If its a st...

JB
Answered by Jess B. Maths tutor
3856 Views

Factorise and solve x^2 - 8x + 15 = 0

Step 1: Factorise. In the final factorised form, your answer would be written in the form (x+a)(x+b). When expanded, this becomes: x^2 + (a+b)x + ab

HS
Answered by Hanan S. Maths tutor
3301 Views

Sue has 2 cats. Each cat eats 1 4 of a tin of cat food each day. Sue buys 8 tins of cat food. Has Sue bought enough cat food to feed her 2 cats for 14 days? You must show how you get your answer.

Initially we must work out the rate at which the tin food is consumed by 2 cats, so we multiply 1/4 (tin food per day for 1 cat) by 2(number of cats), which equals 2/4, so both cats consu...

GK
Answered by Grisilda K. Maths tutor
16773 Views

Solve for x and y using simultaneous equations: 3x+y=10 x+y=4

3x+y=10 _x+y=4-------------2x=6x=3x+y=43+y=4y=1

CL
Answered by Charlieanne L. Maths tutor
2572 Views

How do you factorise a simple quadratic equation?

Simple quadratic equations e.g. x2+5x + 6 = 0, can be solved by evaluating the second and third terms. Quadratic equations can be represented ...

KF
Answered by Kendall F. Maths tutor
2577 Views

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