Which equation represents a vertical line ? y = -x y = 12 x = y x = 12

2 answers:

4 0

A vertical line is any line in which x is constant. The line x=12 is vertical, because x is ALWAYS equal to one number - it doesn't change, ever.

OLEGan [10]2 years ago

3 0

Y is a vertical axis
x is a horizontal axis
when drawing a line, the line drawn to them is perpendicular so lines only touching the x axis are vertical and lines touching only the y axis are horizontal

the
a vertical line is x=value

the only thing that works is x=12

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pogonyaev

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<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean $\mu$ and standard deviation $\sigma$ is given by:

$Z = \frac{X - \mu}{\sigma}$

The z-score measures how many standard deviations the measure is above or below the mean.

Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

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$\mu = 2.8, \sigma = 0.7$ .

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$Z = \frac{X - \mu}{\sigma}$

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