What is the difference between constant and variable?, A constant is mathematical value that does not change, while a variable is a value that can change., A constant is mathematical value that does change, while a variable is a value that can not change., A constant is mathematical value that does not change, while a variable is a value that can not change also., Which of the following are variable used for?, To represent a persons, place, or things., To represent numerical value., Either A or B, How do you know that if the equation is 5x-7=8, which is the variable?, 5x, x, -7 and 8, Determine the following expression in the form of algebraic expression: Twice of x added to thrice of y, 2x+3y, x+3y, 2x+y, Find the value of m2 – n3 + p where m = 2, n = 1 and p = -5., -3, -2, 1, Every algebraic expression is an equation., true, false, Evert term in algebraic expression must contain variable., true, false, The expression given is an algebraic expression. 5x^2+xy, true, false, The expression given is an algebraic expression. 96, true, false, 15 is a constant and y is variable but 16y is variable., true, false.

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