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

música, realismo mágico, arte, periraltismo, ingeniería, ecuación cuadrática, medicina, dragado, matemática, claroscuro, literatura, solfa, cual tiene que ver c

King Henry II is best known for his improvements to the English

One half of the birds at a pet store are yellow. Tara buys one of the yellow birds. Then one third of the birds at the store are yellow how many yellow birds w

What is a way that i can connect my Xbox360 to my computer?

With the study of classicism, Renaissance culture gradually shifted toward more human-centered thinking called humanism, in which the human mind and individual

explain this please

Which one of the following choices best represents an advantage of cardiorespiratory fitness? a: Decrease in muscle mass b: Decrease in oxygen intake c: Decreas

Which statement is true about the polynomial –10m4n3 + 8m2n6 + 3m4n3 – 2m2n6 – 6m2n6 after it has been fully simplified? A. It is a monomial with a degree of 4.

___ are files of related records organized according to logical systems and stored on computer-accessible media.

Women robbed at gunpoint at her home. State one negative impact on individuals rights in a democratic society