Top answers

How many roots does the equation x^2 = x + 12 have and what are they?

x 2 -x -12 = 0. Here we have rearranged the equation so that we have 0 on one side of the equation, allowing us to now factorise. (x - 4)(x+3) = 0. By looking at the equation we can see that the number 12 ha...
JE
Answered by Juzer E. • Maths tutor
4419 Views

List 3 similarities and differences between the structure of a plant cell and an animal cell

Similarities:They both have a cell membraneThey both have a nucleusThey both have cytoplasmDifferences:A plant cell has a cell wall but an animal cell doesn'tA plant cell has a vacuole but an animal cell doe...
SR
6118 Views

Solve y = 2x^2 - 5x - 1 for x = -1 and x = 2

y = 2 (-1) 2 -5(-1) -1y = 2 + 10 - 1y = 11y = 2 (2) 2 -5(2) -1y = 8 - 10 -1y = -3
AB
Answered by Anna B. • Maths tutor
5085 Views

What is "Point-Evidence-Explanation (PEE)"?

"Point-Evidence-Explanation" is the basic structure that all good essay answers should follow. First you have the POINT, the argument that you want to make about a particular book, character, passa...
VS
10369 Views

Explain why an object moving around a circle is said to be accelerating when it has no resultant force acting upon it.

If an object has no resultant force acting upon it then it is moving at a constant speed. Acceleration is a vector quantity meaning that it includes magnitude and direction. When it is moving around a circle...
HO
Answered by Henry O. • Physics tutor
2127 Views