Solve the System by Substitution

question 161

Multiple Choice

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Definitions:

Variability

Variability refers to the extent to which data points in a distribution differ from each other and from the mean of the distribution.

First Quartile

The median of the lower half of a dataset, also called the lower quartile.

Positively Skewed Distribution

A probability distribution that is asymmetric with a longer tail on the right side, indicating that the mean and median are greater than the mode.

Smallest Observation

The smallest observation, also known as the minimum value, is the lowest value in a set of data points.