Examlex
To explain natural phenomena, scientists must _____.
X
Often used to represent an unknown variable in algebraic equations or the horizontal axis in Cartesian coordinate systems.
Y
Often used to denote the dependent variable or the output value in a function, commonly represented on the vertical axis in a Cartesian coordinate system.
Positive Exponents
Powers of a number that signify how many times the number is multiplied by itself.
Expression
A combination of symbols that represents a quantity or a relationship between quantities, without an equality sign unlike an equation.
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