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Q: What is the constant in this algebraic expression 7d 2?

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It is the same as: -2q-3 as an algebraic expression

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.

It is simply: 5m+2

It is 3 terms of an algebraic expression

It is the 5 in 5a+2

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2

The variable is d, in the algebraic expression 7d+2

8

7d + 2 7 is the only coefficient

The variable is "d".

7 is the coefficient of the variable d

a, whatever the value is, would be the constant.

The coefficient would be the number multiplied by the variable, in this case: 7

A constant in an algebraic expression is a number that does not change. For example x + 2 The 2 is a constant (does not change) x is a variable (can take on any value)

2

Numerical expression: 59-34*6 Algebraic expression: 5x-3x+2 A numerical expression is limited to only numbers and can always be simplified to one number. An algebraic expressuion uses terms, more specifically a variable like x, and a constant like 2.

An algebraic expression has 2 or more terms in it without an equality sign.

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