Complete the square x^2+7x+11=0

1 answer:

Alona [7]3 years ago

6 0

X^2+7x+49/4=-11+49/4
(X+7/2)^2=5/4
X=-9/4

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kakasveta [241]

Hi there!

9 + 1/2 (7n - 26) - 8n
= 9 + 7n*1/2 - 26*1/2 - 8n
= 9 + 3.5n - 13 - 8n
= 9 - 13 + 3.5n - 8n
= -4 + 11.5n

Hope this helps!

5 0

4 years ago

igor_vitrenko [27]

Answer:

666

explain the answer step by step

5 0

4 years ago

Lerok [7]

Answer:

Step-by-step explanation:

i just multiplied

4 0

3 years ago

vivado [14]

Answer:

0.008 or 8/1000

Step-by-step explanation:

1/5 = 0.2

0.2 x 0.2 x 0.2 = 0.08

0.08 = 8/1000

7 0

3 years ago

OLga [1]

Answer:

$x\geq 4y\\y\leq \frac{x}{4}$

6 0

3 years ago