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Solve the following algebraic equation: x^2 + 6x + 9 = 0

I would explain on the whiteboard how to factorise itleading them to having two brackets, (x + 3) and (x+3). Could also be written as (x+3)^2then teach them on whiteboard how to solve the equation(x+3)^2 ...

IJ
Answered by Isabella J. Maths tutor
1436 Views

Describe the involuntary Relay Arc pathway of a nervous impulse, from the stimulus to the reaction

Stimulus eg (thorn prick) > Sensory Neurone > Relay Neurone (In Central nervous system) > Motor Neurone > Effector muscle (eg. in arm, to move hand away)Whiteboard would be use to draw pathway...

IJ
Answered by Isabella J. Biology tutor
1620 Views

There are two points 'A' and 'B' on a graph, their coordinates are (0,1) and (10,6) respectively. 1)Find the equation of the line that runs through both of these points.2)Find the equation of a line perpendicular to this through point 'B'.

Draw a graph to see the question more clearly.1) Find the slope using the rise over run formula. ( m = 1/2 )Put this slope into the equation of a line formula along with one of the points. ( ...

RT
Answered by Robert T. Maths tutor
2222 Views

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

x=3 or x=5

VA
Answered by Vineet A. Maths tutor
2290 Views

The Haber Process converts hydrogen and nitrogen into ammonia in the following exothermic reaction: 3H2+N2=2NH3. Explain the effect of increasing the pressure and why.

According to Le Chatlier's Principle, an increase in pressure favours the side with the least moles, which in this case is the forward reaction. Hence, increasing the pressure would result in an increase ...

AC
Answered by Aadesh C. Chemistry tutor
2414 Views

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