math
posted by britnay .
if one of the zeros of y=x^2+bx+1 is 1 determine the value of b
anyone understand this and can help me break it down

It means when y = 0 then x = 1
0 = 1^2 + b(1) + 1
0 = 1 + b + 1
Solve for b.
Respond to this Question
Similar Questions

Decartes Rule of Signs
Could you explain to me decartes Rule of signs? 
Math, please help
1)Determine the equation of the polynomial function of degree 3, with zeros 2, 1, and 4. The graph of this function passes through (5, 84). I have no idea how to do this one. 2) When 4x^4  a5x^2 + px + 6 is divided by 2x+1, the … 
algebra
simplify:(3x0 ynegative 4)(2x2 y)3 this is hard to break down but i got 6x6/y but my sister said it could either be 24x6/y or 216x6/y6 if not any break it down and tell me which one is right thank u please keep it clear and simple … 
algebra
so the answer is 6 x6/y or 24 x6/y simplify:(3x0 ynegative 4)(2x2 y)3 this is hard to break down but i got 6x6/y but my sister said it could either be 24x6/y or 216x6/y6 if not any break it down and tell me which one is right thank … 
algebra
simplify:(3x0 ynegative 4)(2x2 y)3 this is hard to break down but i got 6x6/y but my sister said it could either be 24x6/y or 216x6/y6 if not any break it down and tell me which one is right thank u please keep it clear and simple … 
Math
give the domain, range, and zeros of: f(x)=absoulte value of x3. f(x)=x^24x8 f(x)=(x+1)(x+1)(x+1). f(x)=4 f(x)='9x1)^2+16 y=squareroot x. i don't understand how i konw what the range, domain, and zeros are...please give some answers … 
bus stats
A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is .1. Define a random variable X to be the number of machines that will break down in a day. a. what … 
Math
Find the Zeros of the following functions f(x) = x/3 +5 ^ That one is layed out so differently I don't understand how to solve. In each of the following, determine the zeros of the function and determine the yintercept of the graph … 
MathPolynomials/Zeros
How do I find complex zeros in a an equation if the equation doesn't have the + or  value at the end can th ecomplex zero(s) be made up? 
Math
The function f(x)=x^2+5x+6 has zeros at 2 and 3. What are the zeros of the function y=2f(x/11) ?