sneky0snek sneky0snek
  • 13-01-2019
  • Mathematics
contestada

determine the direction that this parabola opens y=x^2+2x+8

up or down

Respuesta :

altavistard
altavistard altavistard
  • 13-01-2019

Answer:

up

Step-by-step explanation:

The standard equation for a parabola is y = ax^2 + bx + c.  If the coefficient a is positive, then the curve (graph) opens up.

In y=x^2+2x+8  this coefficient is +1, so the curve opens up.

Answer Link

Otras preguntas

1. Please show an example of a food chain that a fungi is a part of.2. How do snails return nutrients to the ecosystem?
the volume of the above solid is?
estimate wheather each sum or dsifference is reasonable. if it is not reasonable, estimate the sum or difference 1/5 + 5/8 is about 3/4
Suppose you have two credit cards. The first has a balance of $410 and a credit limit of $1,000. The second has a balance of $510 and a credit limit of $1,000.
What did the Supreme Court case Gibbons v. Ogden demonstrate? States have no power to issue business licenses. Federal laws can override state laws. States cann
Read the passage. Edgar Allan Poe The great American writer Edgar Allan Poe is known for his haunting poetry and his literary criticism. His skill as a crit
Simplify Completely: 5√162-3√18-4√98 A) 11√2 B) 8√2 C) 5√2 D) Simplified Already
Do you think it should be mandatory for teenagers to have the HPV vaccine?
need help really bad thank you.
Since atoms are mostly empty space, why don't objects pass through one another?'