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What are the exponent and coefficient of the expression [tex]-2a[/tex]?

A. The exponent is 1 and the coefficient is 2.
B. The exponent is 0 and the coefficient is 2.
C. The exponent is 0 and the coefficient is -2.
D. The exponent is 1 and the coefficient is -2.

Sagot :

GinnyAnsweridn
To determine the exponent and coefficient of the expression [tex]\(-2a\)[/tex], we analyze the expression:

1. The expression [tex]\(-2a\)[/tex] consists of a coefficient and a variable [tex]\(a\)[/tex].

2. The coefficient is the numerical part that multiplies the variable [tex]\(a\)[/tex]. Here, the numerical part multiplying [tex]\(a\)[/tex] is [tex]\(-2\)[/tex].

3. The exponent refers to the power to which the variable [tex]\(a\)[/tex] is raised. Since [tex]\(a\)[/tex] is not explicitly raised to any power other than the first power, the implied exponent is 1.

Thus, for the expression [tex]\(-2a\)[/tex]:
- The exponent of [tex]\(a\)[/tex] is 1.
- The coefficient is [tex]\(-2\)[/tex].

Therefore, the correct answer is:
The exponent is 1 and the coefficient is -2.
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