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Work out the points of intersection of the graphs of y= (x+2)(x-4) and y=3x+6.

3x+6=(x+2)(x-4)

3x+6 = x2-2x-8

x2-5x-14=0

(x-7)(x+2)=0

x=7 so y=27

and x=-2 so y=0

EL
Answered by Edward L. Maths tutor
4832 Views

What pieces of grammar will help you improve your reading and comprehension?

Needs to focus on mastering, verbs, grammar, adjectives, tense, agreements. This will help the student to know who is saying what and aiding his comprehension of the text.

GH
Answered by Greg H. French tutor
2058 Views

What are the most important aspects to focus on in the writing section of the paper?

This will help the student to get the ball rolling in what he needs to focus on for his writing.

Main points to focus on are ticking the flair boxes as I call them.

These in...

GH
Answered by Greg H. French tutor
1715 Views

A stationary observer Bob, observes Alice take 5 seconds to travel from point A to B at 0.95c. How much time does Alice measure the journey from A to B to take?

This question is all about the application of Special Relativity. In order to solve this problem we need to identify that the correct equation to use here is:t= (gamma factor)t0Where t is the t...

ER
Answered by Elizabeth R. Physics tutor
3188 Views

Explain the difference between the cache memory and the buffer.

The cache memory aims to reduce the memory access time and thus increase your computer speed by storing frequently accessed data. A buffer, such as a printing buffer, is just a temporary memory storage th...

CF
Answered by Cesar F. Computing tutor
8744 Views

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