2 years ago

How to write a standard form equation with an undefined slope?

1 answer:

8 0

An equation that has an undefined slope is a vertical line. A vertical line is represented by x = a number. You cannot write an equation for a vertical line in slope intercept form (because of the undefined slope)...but u can write it in standard form.

lets say u have a vertical line going thru (2,3).....since it is a vertical line, its equation would be x = 2

to write this in standard form, it would be : x + 0y = 2 <==

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Length of a rectangle is four times its width. If the perimeter is 100 m, what is the area in square cm?

melisa1 [442]

Set the width to be x. Thus, the length is 4x.

The perimeter is 2(x+4x)=100, so x=10.

Plugging in x=10, you get that 4x=40.

So, the area of the rectangle is 400 $m^2$ .