Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 4x3 + 9x2 - 3x + 10
A. 1, 
, -2; f(x) = (4x - 5)(x - 1)(x + 2)
B. -1, 
, -2; f(x) = (4x - 5)(x - 2)(x + 1)
C. -1, 
, 2; f(x) = (4x - 5)(x - 2)(x + 1)
D. -2, 
, 1; f(x) = (4x - 5)(x - 1)(x + 2)
Answer: C
You might also like to view...
Write the word phrase as an algebraic expression. Use x to represent the unknown number.6 times a number, increased by 5
A. 6x + 5 B. 6 + 5x C. 5x + 6 D. 5 + 6x
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.x-2/5 ? x3/5
A. x1/5 B. x5/6 C. x-1/5 D. x6/5
Solve the problem.From 9 names on a ballot, a committee of 3 will be elected to attend a political national convention. How many different committees are possible?
A. 60,480 B. 84 C. 504 D. 252
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.f(x) + 10
A. (2, -10) B. (-8, 4) C. (12, 4) D. (2, 14)