3 years ago

Use the quadratic formula to solve x2 + 8x + 9 = 0. Estimate irrational solutions to the nearest tenth.

2 answers:

Bess [88]3 years ago

7 0

I'm Pretty Sure It Would Be Answer A. {-6.6, -1.4}

5 0

Dianna67 is right. The answer is (-6.6, -1.4). If you use the quadratic formula, you will get two solutions:

-4 - sqrt of 7 & sqrt of 7 - 4

You might be interested in

ICE Princess25 [194]

(2)(2)+(2)(4/5)
I hope this helps you!

5 0

4 years ago

Elan Coil [88]

Answer:

= − 2

Step-by-step explanation:

7 0

4 years ago

Llana [10]

Answer:

First is x-10=y Second is x/4=y

Step-by-step explanation:

7 0

3 years ago

andriy [413]

Answer:

-2x + 5

Step-by-step explanation:

7 0

4 years ago

Dominik [7]

2 and 1/4 = 9/4

4 and 1/12 = 49/12

3 and 2/3 = 11/3

Perimeter = 9/4 + 49/12 + 11/3

= 27/12 + 49/12 + 44/3

= 120/12

= 10inches

5 0

3 years ago