ReRe191
ReRe191
05-05-2017
Mathematics
contestada
Vertex of the parabola y=(x+4)^2-1
Respuesta :
mreijepatmat
mreijepatmat
06-05-2017
y=(x+4)²-1. Let's expand it: y=x²+8x+15.
This quadratic function intersects the x-axis at x₁ = - 3 & x₂ = - 5
Its axis of symmetry is x = - b/2a = ( - 8 )/2===> x = - 4
Now plug - 4 into the equation ===> y = -1
So the vertex is at (-4,1)
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
Please answer this correctly
juan weight 18 pounds more than marie, using w to represent weight , write an expression for marie and juan's weight, write an expression for marie and juan's w
Anna asks her broker to divide her investment of $2000 among three funds, x, y, and z. she decides that her investment in x should be twice her investment in z.
You meet s new exchange student in class how would you ask her what is her nationality is?
You want to make a skirt to go around the bottom of a round chair with a radius of 1 foot. What is the minimum length of fabric needed for the skirt to wrap the
he volume of a gas varies inversely as the pressure upon it. The volume of a gas is 1600 cm3 under a pressure of 4 kg/2. What will be its volume under a pressur
Jen solved the equation 100-1/2x=92 to determine the number of questions, x , she answered incorrectly on a text
A research study on the effect of alcoholism among college students would occur in which of these social studies
8 to the power of 4?
Your team dives for 28 lobsters over 7 days. What is the average daily lobster catch?
