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Subjects>Math>Other Math

Is y2 equals x a function?

Anonymous

∙ 12y ago

Updated: 4/28/2022

Y2 = X

take square root each side

Y = (+/-) sqrt(X)

=============now it is a function as both these equation pass the vertical line test

Wiki User

∙ 12y ago

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Is this a function x equals y2?

Yes, as x-y2=0

Is y2 equals x2 a function?

No, because there is more than one solution: y2 = x2 y = ±(x2)1/2 y = ±x Because there are multiple solutions for a single value of x, this does not qualify as a function.

Is the parabola with an equation of x equals y2 is a function?

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Y squared plus x equals 7. determine whether this is a function?

y2 + x = 7 : this can be written as y2 = 7 - x or x = 7 - y2. There is not a specific solution to this identity. For each different value assigned to x then a different value is generated for y. Or, it can be viewed that for each different value assigned to y then a different value is generated for x. This expression is therefore a function.

Is x2-y2 plus 49 equals 0 a function?

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Does the graph x-y2 equals 1 represent x as a function of y?

X - Y^2 = 1 - Y^2 = - X + 1 Y^2 = X - 1 Y = (+/-) sqrt(X - 1) now, X is represented as a function of Y. Function values are generally Y values.

What is an example of an algebraic rule that is not a function?

x2 - y2 = (x + y)(x - y) is an identity, not a function.

What is the value of 3x2 - y2 if x equals -1 and y equals 3?

x = -1y = 33x2 - y2 = 3 (-1)2 - (3)2 = 3 (1) - 9 = -6

What is the factor of x2-y2 equals 16?

(x + y)(x - y) = 16

Does every function have an inverse that is a function?

No. A simple example of this is y = x2; the inverse is x = y2, which is not a function.

How do you solve X9 - Y6 equals X3 - Y2 Between each X and Y power is an exponent?

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