1) In the expression 5x+2, which symbol represents the variable? a) 5 b) x c) 2 d) + 2) Which statement best describes the constant in the expression 4y−7? a) It is the letter that can change b) It is the number multiplied by the variable c) It is the number that stays the same d) It is the entire expression 3) Identify the variable in the expression 9a+3. a) 9 b) a c) 3 d) + 4) In the expression 2m+5n+4, which part is the constant? a) 2m b) 5n c) 4 d) m and n 5) A student says that in the expression 6x+1, the number 6 is a variable. Which choice best evaluates this statement?s statement? a) The student is correct b) The student is incorrect because 6 is a constant c) The student is incorrect because x is the variable d) The student is correct because numbers can change 6) Which expression contains one variable and one constant? a) 𝑥+y b) 7+9 c) 4k+3 d) ab

variable and constant in algebraic expression

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