2 years ago

X 2 +6x+___ complete the square

Mathematics

1 answer:

vaieri [72.5K]2 years ago

6 0

9 is the blank.

(a+b)^2 = a^2 + 2ab + b^2

a = x
b = 3

(x+3)^2 = x^2 + 6x + 9

You might be interested in

Hi can someone help me with question and how you got the answer? thanks :)

Triss [41]

Answer:

Convert 27 4/3 to an improper fraction.

Step-by-step explanation:

Exact Form:

85/3

Decimal Form:

28.¯3

Mixed Number Form:

28 1/3

5 0

2 years ago

Read 2 more answers

1/2x+2 in linear equation

Bogdan [553]

x/2+2 = 0

x+4/2 = 0

x+4 = 0

4 0

2 years ago

Simplify: 24 + 36 using the distributive property.

Advocard [28]

Answer:

12 (2+3)

Step-by-step explanation:

You will find the GCF of 24 and 36 which is 12

7 0

2 years ago

Read 2 more answers

Suppose a seventh graders birthday is today, and she is 12 years old. How old was she 3 1/2 years ago? Write an equation, and us

german

Answer:

he age of girl 3 $\frac{1}{2}$ years ago is 8.5 years .

Step-by-step explanation:

Given as :

The present age of seventh grader girl = 12 years

Let The age of her 3 $\frac{1}{2}$ years ago = x years

So The age of girl $\frac{7}{2}$ years ago = x years

<u>Now, According to question</u>

The age of girl 3.5 years ago = 12 - 3.5

Or, The age of girl 3.5 years ago = 8.5 years

Hence The age of girl 3 $\frac{1}{2}$ years ago is 8.5 years . Answer

4 0

3 years ago

The zoom feature on a copier sets the percent size of a copy. Lebron wants to make a 200% copy of a photograph. The original pho

Harman [31]

10 in; if the original 100% was 5 in, then you multiply that by 2.

5 0

3 years ago

Read 2 more answers