Linear Algebra

You seriously don't know this? its 0.32 also known as 0.8>0.32

That depends on what the following mixed outputs are. Is this perhaps from the Collins new maths frameworking year 8 textbook? ;)

Expressed as a percentage, 28/35 x 100 = 80 percent.

Yes.

Time is on the x axis and distance is on the y axis. There will be a curve starting at zero (presumably) and going upwards towards the right. The slope of the line at any given x value equals the speed at that point in time. Thus the slope will decrease at the same rate that speed decreases.

Put the values that you find (as the solution) back into one (or more) of the original equations and evaluate them. If they remain true then the solution checks out.

If one equation does not contain all the variables involved in the system, you may have to repeat with another of the original equations.

28.5

They are alike in that you graph the lines in the same way, but they are different because you have to shade in one side of the line

bokomo

Absolute value |-5| = 5

you have to write down the equation first so people can answer it

15.2970

gauss

2

If you don't learn to solve equations then guess and check is the only way to arrive at new information.

They give us different results. The dot product produces a number, while the scalar multiplication produces a vector.

About 126.4. Five miles ar, so you can divide by 5 and multiply by 8.

b is the intercept through the y axis

Er.. I'm not Einstein ;-) but I'll try and put you on the right track... The term "magnetic vector" refers to the amplitude and direction of the magnetic field associated with an electromagnetic wave. Hope this helps!

I assume that you mean the gradient when you say the slope.

2x-5y=7

2x=7+5y

2x-7=5y

y=2/5 x - 7/5

the gradient is 2/5 or 0.4

Well in linear algebra if given a vector space V,over a field F,and a linear function A:V->V (i.e for each x,y in V and a in F,A(ax+y)=aA(x)+A(y))then ''e" in F is said to be an eigenvalue of A ,if there is a nonzero vector v in V such that A(v)=ev.Now since every linear transformation can represented as a matrix so a more specific definition would be that if u have an NxN matrix "A" then "e" is an eigenvalue for "A" if there exists an N dimensional vector "v" such that Av=ev.Basically a matrix acts on an eigenvector(those vectors whose direction remains unchanged and only magnitude changes when a matrix acts on it) by multiplying its magnitude by a certain factor and

this factor is called the eigenvalue of that eigenvector.

A linear relationship will show up on a graph as a straight line.

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There are no symbols for the second equation!

The expanded form of 23.5 is

2 3 . 5 :) ;)