jpimentel508
jpimentel508 jpimentel508
  • 04-06-2019
  • Mathematics
contestada

From the equation, find the axis of symmetry of the parabola.
y = 2x2 + 4x - 1
a. X=3
C. X=-3
b. x=-1
X = 1

Respuesta :

vikaminia2013 vikaminia2013
  • 04-06-2019

Answer:

B. x= -1

Step-by-step explanation:

axis of symmetry is: [tex]x=\frac{-b}{2a}[/tex]

[tex]x=\frac{-4}{2(2)} \\x=\frac{-4}{4}\\x=-1[/tex]

Answer Link

Otras preguntas

Consider these functions: f(x)=x+1 g(x)= 2/x. Which polynomial is equivalent to (f· g)(x)? A. 2/x+1 B. (2x+2)/x C. 2/x +1 D. 2/x²+x
True or False: Space is expanding, galaxies are not flying away from each other.
At a store, 2 gallons of milk cost $6. What is the value of the ratio of dollars to gallons of milk?A) Clear checkB) $0.33 per gallonC) $3 per gallonD) $4 per g
1. Phionah poured 100cm³ of water. Phionah later mixed 400cm³ of salt solution of density 1.6gcm3 in the water above. Determine the density of the mixture​
6x + y=18 4x + y=14 solve the linear equation
1. Phionah poured 100cm³ of water. Phionah later mixed 400cm³ of salt solution of density 1.6gcm3 in the water above. Determine the density of the mixture​
all numbers that give 62.8 when truncated to 1 decimal place
The figure below shows a partially completed set of steps to construct a rhombus PQRS: Two equal sides of a rhombus PQRS are drawn. PQ that makes an acute angl
Evaluate each function F(x)=4x find f(-15)
Which is greater 0.48 or -0.58?​