Top answers

Find the equation of a line which goes through the points (1,0) and (2,5) in the form of y=mx+c

y = 5x - 5
SJ
Answered by Suleiman J. • Maths tutor
3470 Views

Explain why chlorine is more reactive than iodine.

Halogen atoms like chlorine and iodine usually react by gaining an electron to fill their outer energy level in order to resemble the noble gases which are more stable. Chlorine is a smaller atom than iodine...
VT
7788 Views

Sophie accidentally puts her hand on an open flame, she immediately withdraws her hand. This is an example of a reflex reaction. Describe how a reflex reaction is coordinated.

Reflex reactions are subconscious, they bypass the brain. Receptors detect a sensory stimulus, in this case- pain. Receptors stimulate sensory neurons, creates an electric impulse which travels to the spinal...
AL
Answered by Amelia L. • Biology tutor
2348 Views

Expand the following quadratic (x+3)(2x-2)

When expanding quadratics, the ‘smiley face’ method is the easiest one to follow. Do each term individually. The lines you draw between the terms will resemble a smiley face. Ensure that there are 2 lines fr...
JL
Answered by Jordan L. • Maths tutor
4074 Views

Solve x^2 -4x=12

1:Firstly, put all the terms on the Left Hand Side, leaving only 0 on the right hand side2: Factorise the equation a) think about what multiples can be used to calculate -12 1*-12=-12 and -1 12=-12 2 -6=-12 ...
EM
Answered by Elisabeth M. • Maths tutor
3335 Views