Examlex
How has the issue of race evolved in Brazilian political discourse? What has been the effect of affirmative action programs introduced in the 1990s?
Expression
An expression in mathematics is a combination of symbols that can represent a number, variable, operation, or a combination thereof, without an equality sign.
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.
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