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nexus9112 [7]
3 years ago
14

HURRY Given ​ f(x)=x^2−2x−5​. Enter the quadratic function in vertex form in the box.

Mathematics
1 answer:
romanna [79]3 years ago
5 0

Answer:

f(x)=(x-1)^2-6

Step-by-step explanation:

The given quadratic function is

f(x)=x^2-2x-5

We complete the square to obtain the vertex form;

Add and subtract half the coefficient of x

f(x)=x^2-2x+(-1)^2-(-1)^2-5

Factor by identifying the perfect square

f(x)=(x-1)^2-1-5

Simplify to obtain the vertex form as

f(x)=(x-1)^2-6

You might be interested in
What property is -6+24=x-24+24
Ipatiy [6.2K]

Answer:

x = 30

Step-by-step explanation:

-6 + 24 = x - 24 + 24

x = 24 + 6 - 24 - 24

x = 30 - 0

 x = 30

4 0
3 years ago
Help me will give brain
Aleonysh [2.5K]

Answer:

The answer is C

Step-by-step explanation:

Let's solve your equation step-by-step.

4(x−2)=6x+18

Step 1: Simplify both sides of the equation.

4(x−2)=6x+18

(4)(x)+(4)(−2)=6x+18(Distribute)

4x+−8=6x+18

4x−8=6x+18

Step 2: Subtract 6x from both sides.

4x−8−6x=6x+18−6x

−2x−8=18

Step 3: Add 8 to both sides.

−2x−8+8=18+8

−2x=26

Step 4: Divide both sides by -2.

−2x/−2=26/−2

x=−13

Answer:

x=−13

3 0
3 years ago
Pls help I’ll brainlest ASAP
Dmitry_Shevchenko [17]
Substract by 12 from 42, and keep going down until you hit -54, which is 8 hours!
4 0
3 years ago
Plz help and thank you
Nataliya [291]
A. w= 2 /12..........
7 0
4 years ago
Solve this problem please
nika2105 [10]
Hi, Ptaverez1! :)

First we must length of an individual square; This can be achieved by using the formula for the area of a square:
l^2
l=Length

Lets input the information we already know:
l^2=42.25
Take square root.
l=\sqrt42.25
l=6.5

The length of an individual square tile is 6.5 ft.

Since they're are 9 tiles and the porch in a square, I can conclude that the measurements for the porch are 3 tiles by 3 tiles (as 3*3=9; using the formula for the area of a square.)

Since the length of the porch is 3 tiles, we must multiply the individual tiles piece length by 3:
3*6.5
=19.5

The formula for the perimeter of a square is:
l*4
l=length

Lets input the information we know:
19.5*4
=78

The perimeter of the porch is 78 feet²

Hope this helps.
-Benjamin

8 0
3 years ago
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