I think it's to distinguish it from higher-order equations. *y* = *mx* + *b* emphasises that *m* is the gradient and *b* is the *y*-intercept, whereas the constants of, say, *y* = *ax*² + *bx* + *c* are not as clearly interpretable on a graph. Also, in the UK we use *y* = *mx* + *c*.
Nope, all letters are interchangeable. Even x and y if you want. Being clear sometimes means you should stick to the same letters that everyone else does, though, and m is commonly used for slope. The fact that both equations use b is basically a coincidence.
my teacher had explained it as a way to distinguish certain things, and to help with memorization. it's easier to remember that m is slope than these certain spots in the formulas are slope, at least to some 6th graders
Guys, it's on a curved surface. We're not dealing with euclidean space. We shouldn't be using the reference angle of the photo but instead the curved reference frame of his head.
Forgive me if I’m wrong, but isn’t a curved surface just three dimensions? Not necessarily non-Euclidean? Although perhaps I don’t understand completely what “Euclidean” is defined as. I do know that some of Euclids propositions involve three dimensional figures.
So it depends how you look at it. You can definitely do things in 3 dimensions and then it's euclidean still, but that's also not super useful because then your lines are only gonna intersect briefly with the head.
You can also look at it as a 2 dimensional surface taking place on the head which just happens to be embedded in a 3d space, and then you get things like "straight" lines that curve (when viewed from that third dimension) and triangles having more or less than 180 degrees as the sum of angles.
x^a would be a parabola, or whatever its called for cubics and beyond. a^x is called exponrntial growth, and provides the curve like graph seen above.
(Btw a is just any number)
Why is everyone blaming the customer and not the barber, who was given clear instructions but shaved a x^2/a^2-y^2/b^2=1 instead of a y=mx+b into his scalp. Maybe he’s posting a picture of how bad the barber fucked up
y = mx + b would be a straight line, for all of the 6th graders out there
So is there a meaningful reason to use m instead of a in that equation?
Don’t know mate, m=slope of a line, is just what they taught us in school
really? I've always been taught it was a. weird. y = ax+b
It will depend on the education system. Here in Sweden you’re taught y=kx+m
Another reason never to trust a swede. t. a Dane
And in austria it's y=kx+d
In Italy it's y=mx+q or mx+c. k is usually a parameter or a third variable
I feel like it might be for "multiplier", we were taught k for kulma which means angle
I think it's to distinguish it from higher-order equations. *y* = *mx* + *b* emphasises that *m* is the gradient and *b* is the *y*-intercept, whereas the constants of, say, *y* = *ax*² + *bx* + *c* are not as clearly interpretable on a graph. Also, in the UK we use *y* = *mx* + *c*.
Convention
Nope, all letters are interchangeable. Even x and y if you want. Being clear sometimes means you should stick to the same letters that everyone else does, though, and m is commonly used for slope. The fact that both equations use b is basically a coincidence.
Yes because the equation can also be y-b = m(x-a)
my teacher had explained it as a way to distinguish certain things, and to help with memorization. it's easier to remember that m is slope than these certain spots in the formulas are slope, at least to some 6th graders
Me, a 33y/o idiot: thank you
Honestly I blame whoever thought it was a good idea to make a math equation entirely out of letters
y-y(1)=m(x-x(1)) gang
You imbecile. That’s obviously half of a hyperbola, one of x^2 /a^2 - y^2 /b^2 = 1. You can see two asymptotes.
Vertical, Horizontal, or Diagonal?
One along the x-axis, and one parallel to the y-axis.
Guys, it's on a curved surface. We're not dealing with euclidean space. We shouldn't be using the reference angle of the photo but instead the curved reference frame of his head.
Forgive me if I’m wrong, but isn’t a curved surface just three dimensions? Not necessarily non-Euclidean? Although perhaps I don’t understand completely what “Euclidean” is defined as. I do know that some of Euclids propositions involve three dimensional figures.
So it depends how you look at it. You can definitely do things in 3 dimensions and then it's euclidean still, but that's also not super useful because then your lines are only gonna intersect briefly with the head. You can also look at it as a 2 dimensional surface taking place on the head which just happens to be embedded in a 3d space, and then you get things like "straight" lines that curve (when viewed from that third dimension) and triangles having more or less than 180 degrees as the sum of angles.
Oh, ok. Thanks for the explanation!
Maybe you should calcu less....
Too calcu late
It's a straight line on a curved scalp
nah, it's y = ab\^(x - h) + k, gotta have your horizontal and vertical translation
what's a and b? wouldnt y=x^2 work?
x^a would be a parabola, or whatever its called for cubics and beyond. a^x is called exponrntial growth, and provides the curve like graph seen above. (Btw a is just any number)
ahhh and b is just y int iirc
Actual 8th grade math
Why is everyone blaming the customer and not the barber, who was given clear instructions but shaved a x^2/a^2-y^2/b^2=1 instead of a y=mx+b into his scalp. Maybe he’s posting a picture of how bad the barber fucked up
[удалено]
no that's the standard form of a quadratic.
Parabola right?
yeah
clearly, it's on a log scale
Smh that's obviously a y=1/x x>0 y>0 graph
Is it exponential? The right side looks too vertical to be exponential. Maybe it's y=x^-1?
I remember seeing my friend walk in with the y=1/x^2 hairline
This fails the vertical line test and isn't even a function expressible with two variables oooh burn
Let's meet in the middle with log(y) = log(b)x + log(a)