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Work out the value of 81^(-1/4) (Non-Calculator)

To answer this question, we have to think about our power rules and use them to slowly simplify this complicated expression:81 -1/4 = ((81) 1/2 ) -1/2 (Because ((x) y ) z = x yz - one of our 3 power rules)We...
RP
Answered by Reece P. • Maths tutor
13159 Views

How do you factorise x^2 +5x+6?

So firstly, you need to find two numbers that multiply to make 6 and add to make 5 Make a list of numbers that multiply to make 6 i.e. 1 6 and 3 2 So you can either have (x 6)(x 1) OR (x 3)(x 2) Now you see ...
JP
Answered by Jayan P. • Maths tutor
3643 Views

What is characteristic of romantic era music?

His music was written for a larger, more developed orchestraFocus on melodyMore chromaticism and discord Freer form and movement away from the Sonata form Music representing a storyVirtuosity
JM
Answered by Juliet M. • Music tutor
4708 Views

How to solve Simultaneous Linear Equations, e.g. (4x + 5y = 17) and (3x + 2y = 4)

Explain how linear simultaneous equations with two variables ("unknowns") differ from single linear equations with two variables. Explain that a single linear equations have multiple, and indeed in...
HB
Answered by Henry B. • Maths tutor
5148 Views

Express (7+ √5)/(3+√5) in the form a + b √5, where a and b are integers.

(7+ √5)/(3+√5)Here, the denominator is not rational - (numbers like 2 and 3 are rational). A number with an irrational denominator isn't incorrect, it just isn't in the simplest form it can be in.To rational...
OG
19980 Views