Question

Which of the following best describes the expression 2a + 3b + 4c + 5d? (4 points)

a)The product of four sums; there are four terms

b)The product of four sums; there are eight terms

c)The sum of four products; there are four terms

d)The sum of four products; there are eight terms

Answer 1

Answer:

A the product of four sums

Answer 2

Given : 2a + 3b + 4c + 5d

To Find : Which of the following best describes the expression

a)The product of four sums; there are four terms

b)The product of four sums; there are eight terms

c)The sum of four products; there are four terms

d)The sum of four products; there are eight terms

Solution:

The sum of four products; there are four terms   is correct answer

2a = product of 2 and a

3b = product of 3 and b

4c = product of 4 and c

5d = product of 5 and d

4 Terms are

2a

3b

4c

5d

Hence The sum of four products and there are four terms best describes the expression 2a + 3b + 4c + 5d

A polynomial is an expression consisting of variables and coefficients,

Each  term consists of the product of coefficient &  variable or variables raised to some power

2a   2 is coefficient and a is variable

3b  3 is coefficient and b is variable

4c   4 is coefficient and c is variable

5d   5 is coefficient and d is variable

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