felicia0828 felicia0828

02-08-2022
Mathematics

contestada

Let r(x)=x^2 - x + 14. Find all values of a such that r(a) = 20.

Respuesta :

parsahosseinal14 parsahosseinal14

02-08-2022

Answer:

a=–2, 3

Step-by-step explanation:

r(a)=20

a²–a+14=20===> a²–a–6=0===> (a–3)(a+2)

Answer Link

Otras preguntas

Use the remainder theorem to determine the remainder when d4 + 2d2 + 5d − 10 is divided by d + 4. A. 42 B. 258 C. 126 D. 106

During the first two decades of the twentieth century, there were about __________ vaudeville theaters in the united states.

Find the surface area of each figure to the nearest tenth. Show your work, please

compare the values of the underlined digets 6035 and 530 the digit is 3

the first step in using time more efficiently is? A. developing a plan. B. studying how successful people use time. C. limiting recreational activities

how many inches are in 500.78 miles

Threats, orders, obscene names, racial epithets, and inquiries about victim's sexual enjoyment are best described as __________ when interviewing witnesses.

Can someone help me with these 3

As the name monopolistic competition implies, a firm’s decisions in this setting will in certain ways resemble ______________ and in other ways resemble________

_____ include(s) stocks of completed goods, work in process, and raw materials