vishnuek58 vishnuek58

17-04-2020
Mathematics

contestada

If the zeroes of the quadratic polynomial x 2 + (a + 1)x + b are 2 and –3, then (A) a = –7, b = –1 (B) a = 5, b = –1 (C) a = 2, b = –6 (D) a = 0, b = – 6

Respuesta :

kenlingdad kenlingdad

17-04-2020

Answer:

(D) a = 0, b = – 6

Step-by-step explanation:

x² + (a + 1)x + b = (x - 2) ( x + 3)

= x² + x - 6

a + 1 = 1

a = 0

b = -6

Answer Link

Otras preguntas

Meg rowed her boat upstream a distance of 45 mi and then rowed back to the starting point. The total time of the trip was 14 hours. Of the rate of the current w

Which is equivalent to 8.03x10^-8

Why might Charles V have wanted to capture Martin Luther?

A and b are partners. a has $50,000 in his capital account and b has $75,000 at the beginning of the year. a receives a salary of $15,000 and b receives $12,000

A(c-b)=d solve for c

What is the most important function congress performs?

What comes after precipitation during the water cycle?

What is one difference between a mixture and a compound?

A square has an area of 110 square units. What is the approximate length of each side? Explain.

HELP QUICK!!! A sample of marble has a volume of 6 cm3 and a density of 2.76 g/cm3. What is its mass? A. 16.56 g B. 8.76 g C. 2.17 g D. 0.46 g