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A line has equation y=3x+4, state the gradient and the y-intercept

The gradient is always the number in front of the x, in this case it will be 3. Whereas for the y-intercept, it will always be the value that y equates to when x=0, in this case the y-intercept is (0,4).
RF
Answered by Ryan F. • Maths tutor
32867 Views

Multiply (x+2) & (x+3)

To do this question you would use the FOIL method. This is short for 'First, Outside, Inside, and Last'. First you multiply the first two values (the x's) from each bracket, then you multiply the outside val...
RF
Answered by Ryan F. • Maths tutor
3571 Views

What are the differences between diffusion, active transport and osmosis?

Diffusion is a passive process, this means that no energy is required, where there is a net movement of particles from an area of high concentration to an area of low concentration down the concentration gra...
MD
Answered by Matthew D. • Biology tutor
16789 Views

How would you go about analysing an unseen poem for the first time?

I think the clearest access point when starting to unpick a new text is through identifying key themes, motifs and patterns, which can be pretty easy once you know what you're looking for. There are a couple...
AC
Answered by Aaron C. • English tutor
2396 Views

Ben has red hair, and his wife has brown hair. The allele for red hair is recessive (r) and the allele for brown hair is dominant (B). Their son also has red hair. What is the genotype of Ben's wife?

We know red hair is recessive, so to have red hair you must have to have two red hair alleles, therefore Ben's genotype must be rr.However, the brown hair allele is dominant, this means you can have either o...
HD
Answered by Helen D. • Biology tutor
4340 Views