Let $x = - 5 , y = 7$ And $z = - 2$

question 71

Short Answer

Let $x = - 5 , y = 7$ and $z = - 2$ . Evaluate the expression to find $L$ $$L = - y ^ { 2 }$$ $$L =$$ __________

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Definitions:

Oxygen

A chemical element essential for life, involved in cellular respiration and energy production, and a major component of the Earth's atmosphere.

Hypertonic

A solution with higher osmotic pressure (solute concentration) than another solution, leading cells to lose water.

Isotonic

A solution that has the same salt concentration as cells and blood, preventing net water movement across cell membranes.

NaCl

Sodium chloride, commonly known as table salt, is an ionic compound consisting of sodium and chloride ions.