In September, Larson Inc. Sold 40,000 units of its only product for $383,000, and incurred a total cost of $325,000, of which $38,000 were fixed costs. The flexible budget for September showed total sales of $400,000. Among variances of the period were: total variable cost flexible-budget variance, $7,000U; total flexible-budget variance, $74,000U; and, sales volume variance, in terms of contribution margin, $45,000U. The total sales revenue in the master budget for September, to the nearest dollar, was:

the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

the root or roots of a polynomial are the values of the variable that makes the polynomial equal to 0. we can find the roots of a polynomial making the expression equal to 0 and then, isolating the variable (it it has just one variable).

for example, given the following polynomial:

the root or zero of the polynomial, can be found by making the expression equal to 0, and then, isolating the variable, so, finding the root we have:

therefore, we have that the root of the polynomial is equal to 2.

we must remember that the number of roots that a polynomial can have, will depend on the degree of the polynomial, a first degree polynomial have will have one single root, a second degree polynomial (quadratic expression) may have two roots and so.

hence the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

have a nice day!

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