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What is a mathematical sentence that uses an equal sign to show that two expressions have the same value?
When two expressions are equal to each other they form an equation.
What is eqation?
An equation consists of two expressions that equal each other.
What does 4m mean in algebraic expressions?
It means 4 times "m" - in other words, 4 multiplied with whatever value the variable "m" happens to have.
What do you call a mathematical sentence formed by placing an equal sign between two expressions?
It is an algebraic expression, if there are numbers and variables. For example: 2x + 2 = 4x(7-5) 20-29 = -9/3x If there are ONLY numbers and NO variables, it is called an arithmetic expression. For example: 3+3+3+3 = 4+4+4 2+6 = 4+4
What is a reciprical?
A reciprocal (not reciprical) or multiplicative-inverse is THE relationship between two expressions factored from unity. The product of a reciprocal pair of expressions (quantities or numbers) is equal to 1. For example; 1/5 and 5 are reciprocals of each other, they multiply to equal 1. Zero (zed) does not have a reciprocal.
