Suppose you are the president of the student government. You wish to conduct a survey to determine the student? body's opinion regarding student services. The administration provides you with a list of the names and phone numbers of the 407 registered students.(a) Discuss a procedure you could follow to obtain a simple random sample of 5 students.(b) Obtain this sample.

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

equal to

step-by-step explanation:

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!