The following table gives the electricity usage (in kilowatt hours) for the peters family for six months.
month jan feb. mar apr may jun.
# of kwh 948.5 1172.4 834.7 926.4 867.1 1003.9
what is the average electricity usage for the months february through may?
o a. 948. 16 kwh
o b. 950.94 kwh
o c. 947.132 kwh
o d. 950.15 kwh

won't that be plagrisim thought?

step-by-step explanation:

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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!