SOLUTION: Define the solutions to: Q(w) = w^2 – 10w + 9 @ The thing to recognize is that the equation is of a quadratic form. Hence, reverse FOIL can be easily used. a. x = ±1, ±3 b. x =

Algebra ->  Equations -> SOLUTION: Define the solutions to: Q(w) = w^2 – 10w + 9 @ The thing to recognize is that the equation is of a quadratic form. Hence, reverse FOIL can be easily used. a. x = ±1, ±3 b. x =       Log On


   

Question 153038: Define the solutions to: Q(w) = w^2 – 10w + 9 @ The thing to recognize is that the equation is of a quadratic form. Hence, reverse FOIL can be easily used.
a. x = ±1, ±3
b. x = 1, 9 only
c. x = -1, -9 only
d. None of the above
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

w%5E2-10w%2B9=0 Start with the given equation


%28w-9%29%28w-1%29=0 Factor the left side



Now set each factor equal to zero:
w-9=0 or w-1=0

w=9 or w=1 Now solve for w in each case


So the solutions are

w=9 or w=1

This means that the answer is b) x = 1, 9 only