3 years ago

Which equation has the same solution as x2 + 16x + 9 = -3?

Mathematics

1 answer:

wolverine [178]3 years ago

8 0

Answer:

Step-by-step explanation:

x² + 16x + 9 = - 3

x² + 16x + 12 = 0

D = 16² - 4(1)(12) = 208

√D = 4√13

$x_{1}$ = ( - 16 - 4√13 ) ÷ 2 = <em>- 8 - 2√13</em> ≈ - 15.21

$x_{2}$ = ( - 16 + 4√13 ) ÷ 2 = <em>2√13 - 8</em> ≈ - 0.79

You might be interested in

Cindy baked 6 cakes to raise money for her track team. The total cost for all of the ingredients for her cakes is $30.00. She wi

user100 [1]

Answer:

55 profit $$

Step-by-step explanation:

30by12 put me brainliet please!!!

3 0

3 years ago

Find the surface area of the figure.

Darina [25.2K]

B, 224in2

It may get tedious but just find the area of each face and write them down

4 0

3 years ago

Which describes changing an angle of rotation?

givi [52]

I think the answer is B). because if the angle is changed if it turned on a fixed point. its changed if it translated or if the rays are changed, neither is it changed if it translated to the right either.

3 0

4 years ago

Read 2 more answers

I really need help with my math question if anyone is feeling nice it would be so much to help

Vlad1618 [11]

I would love to help! What's the question?

4 0

3 years ago

Elena made 10 ounces of apple chips. She puts the same amount of apple chips into each of 4 containers. How many ounces of apple

KiRa [710]

Answer:

2.5 ounces

Step-by-step explanation:

10 divided by 4 is 2.5

7 0

3 years ago