All categories

3 years ago

Rewrite the equation by completing the square. x^{2} +7 x +12 = 0

Mathematics

2 answers:

Mandarinka [93]3 years ago

6 0

Answer:

X=4,3 does that help or are you looking for something else

Step-by-step explanation:

Olegator [25]3 years ago

3 0

Answer:

(x+7/2)^2=1/4

Step-by-step explanation:

You might be interested in

The Hawaiian language has 12 letters: five vowels and seven consonants. Each of the 12 Hawaiian letters are written on a slip of

Nesterboy [21]

12 total letters...5 vowels and 7 consonants.

probability of 1st letter being a vowel is 5/12
after replacing ...
probability of 2nd letter being a vowel is 5/12

probability of both occurring is (5/12 * 5/12) = 25/144 <===

8 0

3 years ago

Read 2 more answers

Twelve less than a third of a number is -10

jolli1 [7]

I believe that number would be 6.
1/3n-12= -10
+12 +12
_________
1/3n = +2
x3 x3
_________
n = 6

7 0

3 years ago

Read 2 more answers

Translate to words : 5(x+3)-6+7x

UkoKoshka [18]

5x+15-6+7x
15-6= 9.
5=7= 12
12x+9 .

6 0

3 years ago

Read 2 more answers

Fiona wrote the linear equation y = 2/5 x – 5. When Henry wrote his equation, they discovered that his equation had all the same

Hoochie [10]

we have

$y=\frac{2}{5}x-5$

Let's Isolate the variable y in each of the cases and then compare with Fiona's equation to determine the solution of the problem

case A) $x-\frac{5}{4}y= \frac{25}{4}$

Multiply by $4$ both sides

$4x-5y= 25$

$5y=4x-25$

Divide by $5$ both sides

$y=\frac{4}{5}x-5$

therefore

the case A) is not equal to Fiona's equation

case B) $x-\frac{5}{2}y= \frac{25}{4}$

Multiply by $4$ both sides

$4x-10y= 25$

$10y=4x-25$

Divide by $10$ both sides

$y=\frac{2}{5}x-2.5$

therefore

the case B) is not equal to Fiona's equation

case C) $x-\frac{5}{4}y= \frac{25}{2}$

Multiply by $4$ both sides

$4x-5y= 50$

$5y=4x-50$

Divide by $5$ both sides

$y=\frac{4}{5}x-10$

therefore

the case C) is not equal to Fiona's equation

case D) $x-\frac{5}{2}y= \frac{25}{2}$

Multiply by $2$ both sides

$2x-5y= 25$

$5y=2x-25$

Divide by $5$ both sides

$y=\frac{2}{5}x-5$

therefore

the case D) is equal to Fiona's equation

<u>the answer is</u>

$x-\frac{5}{2}y= \frac{25}{2}$

7 0

3 years ago

Read 2 more answers

Please help i don’t really understand this

Andrew [12]

Answer:

g(x) = 1/2x^2

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers