Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to solve a 2x3 matrix [title] Know your terminology. [step] Linear equations have distinct components. The variable is the symbol (usually a letter like x or y) for a number you do not yet know.

Ending1: The exponent is the root of a number. [substeps] When you're working with a matrix, you need to know the speed of the object. Ending2: The constant is a number that remains consistent. The coefficient is a number before a variable, which is used to multiply it. Ending3: These components (e.g., numbers 1 , 2 , 4 , 5 or 7) represent the current variables for a given element. [substeps] Using the periodic table, you can define which elements must correspond with which different atomic particle. Ending4: Understand that your theoretical formulae and equations have variable sets. Variables that are complicated to memorize are the following : [substeps] Fractions multiply decimals.

Answer format: ending1/ending2/ending3/ending4