Question

Lorraine writes the equation shown.

x2+y-15-0

She wants to describe the equation using the term relation and the term function.


The equation represents .

Answer 1

Answer:

I consider the two possible equations.

Case 1 :-  2 x + y - 15 = 0

It is a linear equation in 2 variables.

It can be written as

    y = - 2 x + 15       (Slope-intercept form)

⇒ Here y is the Function of x.

Where

y-intercept = 15

Slope = -2

⇒ The relation between the variables is linear & negative. 15 is a constant. The value of y will decrease by a factor of 2 for each unit increase in the value of x.

Case 2 :-  x² + y - 15 = 0

It can be written as

    x² = - y + 15   It is the equation of a parabola.

⇒ Here x is the Function of y.

⇒ The relation between x & y is that it is Symmetric about a line parallel to y-axis.

Hope it will help you.

Answer 2

Answer:

I consider 2 equations.

Step-by-step explanation:

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