02-08-2016
Mathematics

contestada

which of the following is a polynomial with roots 4, -5 and 7?

Respuesta :

nobillionaireNobley nobillionaireNobley

04-08-2016

Required polynomial is (x - 4)(x + 5)(x - 7) = (x - 4)(x^2 - 2x - 35) = x(x^2 - 2x - 35) - 4(x^2 - 2x - 35) = (x^3 - 2x^2 - 35x) - (4x^2 - 8x - 140) = x^3 - 2x^2 - 35x - 4x^2 + 8x + 140 = x^3 - 6x^2 - 27x + 140

Answer Link

Otras preguntas

By presenting research participants with incomplete objects, psychologists have been able to see how the participants come to determine what they are viewing. T

find g[h(x)] if g(x)=x^2 and h(x)=x+3

HELP PLZ 25 POINTS TOO CORRECT ANSWERS

Four laps around the track equals one mile. How many miles does sixteen laps equal?

Global warming has been hypothesized to cause many plants to flower earlier. If bees search for food earlier in response to this, this would represent ________

the electrical current in a circuit is measured in which of the following units.volts resistance amperes pressure

The method used by managers when comparing unit costs with budgeted costs or other measures is broadly known as: Multiple Choice Account reconciliation. Sales m

A restrictive short-term financial policy, as compared to a more flexible policy, tends to increase A. the probability that a firm will face a cash-out situatio

Which concept are described in the theory proposed by Hess

Assume lim f(x)-6 and lim g(x)-9. Compute the following limit and state the limit laws used to justify the computation. x→3 x