3 years ago

What is the nature of the roots for y=x2 - 4x + 4?

Mathematics

1 answer:

Archy [21]3 years ago

3 0

Answer:

x = 2

Step-by-step explanation by completing the square:

Solve for x:

x^2 - 4 x + 4 = 0

Write the left hand side as a square:

(x - 2)^2 = 0

Take the square root of both sides:

x - 2 = 0

Add 2 to both sides:

Answer: x = 2

You might be interested in

Which answer is correct? Please hurry <3

liq [111]

answer is 4

Es tut mir nicht so leid

6 0

2 years ago

The beginning balance of Keyshawn's savings account for the month of September was $3900, and it remained this way for the first

musickatia [10]

Simple or compound interest

8 0

2 years ago

If a rectangle has side lengths 5x-y and x+4y what would be the area and perimeter of the rectangle?

Dafna1 [17]

Answer:

Answer is given below with explanations. 

Step-by-step explanation:

$given \: \: l = 5x - y \: and \: \: b = x + 4y \\ area \: of \: rectangle \:= l \times b \: sq.units \\ = (5x - y)(x + 4y) \\ = 5 {x}^{2} + 20xy - xy - 4 {y}^{2} \\ = 5 {x}^{2} + 19xy - 4 {y}^{2} \\ perimeter \: of \: rectangle \\ = 2(l + b) \\ = 2(5x - y + x + 4y) \\ = 2(6x + 3y) \\ = 12x + 6y$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

6 0

3 years ago

Part 3: Find the volume of the shipping box using a volume formula. Remember to include units.

dezoksy [38]

Answer:

5x4x3=60

Step-by-step explanation:they are because when you simplify they are the same

4 0

2 years ago

What does x equal in 3(x-2)=-3

Maru [420]

Answer:

Step-by-step explanation:

3(x-2)= -3

Divide both sides by 3

x-2 = -1

add 2 to both sides

x - 2 +2 = -1 + 2

x = 1

6 0

2 years ago

Read 2 more answers