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How come x^2 = 25 has 2 solutions but x=root(25) only has one? Aren't they the same thing?

(This is something that I didnt fully understand for quite a while at school.) So when we are solving x²=25, in order to get x "on it's own" we square root both sides. However the def...

Answered by Dylan J. • Maths tutor

8623 Views

What is you opinion when it comes to what people think about global warming? Answer in Spanish.

El cambio climático es algo muy importante. Es de vital importancia que los tratemos como tal, ya que de no ser así, podríamos sufrir fatales consecuencias. No todo el mundo piensa que el cambio climático...

Answered by Christian R. • Spanish tutor

1788 Views

Write an algebraic expression to show the area of a square with side length x+4

x²+ 8x + 16

Answered by Anna B. • Maths tutor

5688 Views

When should you use the subjunctive in French?

You employ the subjunctive in French normally in subordinate clauses, triggered by an earlier signal in the sentence: a personal/impersonal verb, or a conjunction. The subjunctive is associated ...

Answered by Freya D. • French tutor

6522 Views

How would I go about graph sketching?

You want to look at turning points, intersections and when the gradient is possitive or negative. It is also important to demonstrate what is going on with graphs when they are tending towards 0 (especial...

Answered by Simon G. • MAT tutor

1774 Views