mecklin mecklin

23-06-2017
Mathematics

contestada

what is the axis of symmetry for -x^2-2x+6

Respuesta :

schvelle schvelle

23-06-2017

by using completing the Square method ,
-x^2-2x+6
= - ( x^2+2x-6) -> factorise -1
= - ( ( x+1 )^2 - (1)^2 -6 ) -> complete the square
= - ( x+1 )^2 +7
- ( x+1 )^2 =0 -> equip it to 0
-x-1 =0
X = -1
axis of symmetry : x = -1

Answer Link

Otras preguntas

Sometimes my music is played value can feel your body shaking explain what is happening in terms of resonance?

How does Samson feel about the note from Sir Victor? sleepy unhappy bored

When there is little to no __________ present in the human muscle cell, it will begin __________ fermentation in order to release energy. a. glucose; ethanol b.

A body weighing 10 kg falls from a height of 20 m. Calculate the velocity and kinetic energy of the body when falling to the ground

I can't figure out what this questions is. The rules are in one of the screenshots. No random fkjaljfdlajflakj or I will make sure your account is banned.

When a doctor feels for lymph nodes, he is checkin g for...? A. Inflammation B. Shrinking C. Pain D. Sensitivity

During the process of photosynthesis, green plants produce (1) sunlight (3) nitrogen (2) methane (4) sugar

solve 3(2x-4)>2(x+4)

please hellllllppppppp

Jimmy and his family are on their way to visit some family friends who live 495 miles away from them. Based on the route they chose, they expect to complete the