How do you evaluate variable expressions with given values of variables?
How do you evaluate (x + y)^3 when x = 2 and y = 3?
How do you evaluate x^3 + y^3 when x = 2 and y = 3?
Why does (x + y)^3 not equal x^3 + y^3?
How do you write phrases as algebraic expressions or inequalities?
Five times a number decreased by four is what variable expression?
The quotient of a number and 5 is what variable expression?
Five subtracted from twice a number is what variable expression?
How do you translate sentences into equations or inequalities?
Five times a number decreased by four is six makes what algebraic equation?
The sum of a number and two is greater than seven makes what algebraic inequality?
The difference of a number and five is thirteen makes what algebraic equation?
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More problems evaluating variable expressions are explained in this lesson. A concept that can be very difficult for students - translating from words to variable expressions, equations, and inequalities - is also discussed. This is a great tutorial for learning to translate a sentence into variables and numbers.