Find X and Y A)x = -3, Y = 3
B)x = 3, Y

question 19

Multiple Choice

Find x and y. $$\left[ \begin{array} { c c c } x - 7 & 3 & - 8 y \\4 & - 8 x & - 7 \\- 9 & y - 3 & - 3\end{array} \right] = \left[ \begin{array} { c c c } 7 x - 19 & 3 & 24 \\4 & - 16 & - 7 \\- 9 & - 6 & - 3\end{array} \right]$$

• A)x = -3, y = 3
• B)x = 3, y = -4
• C)no solution
• D)x = 2, y = -3
• E)x = 2, y = -4

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Definitions:

Synapomorphies

Shared derived characteristics or traits that are used to establish evolutionary relationships among species or groups.

Common Ancestor

The most recent individual from which all organisms in a group are directly descended.

Phylogenetic Systematics

A method of classifying organisms based on their evolutionary relationships, utilizing genetic, morphological, and other data to infer a "family tree" of life.

Dinosaur Genera

Categories in the classification of dinosaurs, where each genus comprises one or more species that are closely related.