Question

identify the terms and their coefficients of 5 + 2x + 3x²
and 11 - 2xy + 3yz - 5xz

Answer 1

${\huge {\pink {\overline {\underline {\boxed {\mathcal {Answer}}}}}}}$

$\pink\longrightarrow$ 5 + 2x + 3x²

Terms: 5, 2x, 3x²

coefficients: 5, 2, 3

$\pink\longrightarrow$ 11 - 2xy + 3yz - 5xz

Terms: 11, -2xy, 3yz, -5xz

coefficients: 11, -2, 3, -5

Answer 2

Answer:

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Step-by-step explanation:

We now know very well what a variable is. We use letters x, y, l, m, ... etc. to denote variables. A variable can take various values. Its value is not fixed. On the other hand, a constant has a fixed value. Examples of constants are: 4, 100, –17, etc.

We combine variables and constants to make algebraic expressions. For this, we use the operations of addition, subtraction, multiplication and division. We have already come across expressions like 4x + 5, 10y – 20. The expression 4x + 5 is obtained from the variable x, first by multiplying x by the constant 4 and then adding the constant 5 to the product. Similarly, 10y – 20 is obtained by first multiplying y by 10 and then subtracting 20 from the product.

The above expressions were obtained by combining variables with constants. We can also obtain expressions by combining variables with themselves or with other