2 years ago

Qhich are the solutions of the quadratic equation x^2=9x+6

Mathematics

1 answer:

Lera25 [3.4K]2 years ago

3 0

x^2-9x-6=0

Use the quadratic formula to get (9+sqrt(105))/2 or (9-sqrt(105))/2

You might be interested in

Solve d=rt for t when r=75mph and d=450mi

madam [21]

Answer:

t = 6 hours

Step-by-step explanation:

First, we need to plug in our known information into d = rt.

450mi = $\frac{75mi}{1hr}$ * t

450mi = 75mi * t --- simplify fraction

t = $\frac{450}{75}$

t = 6 hours

8 0

3 years ago

Find the value of a if given points are collinear (5,1) (3,2) and (1,a)

Ksenya-84 [330]

9514 1404 393

Answer:

a = 3

Step-by-step explanation:

The x-values 5, 3, 1 form an arithmetic sequence. The y-values will do the same: 1, 2, a = 1, 2, 3 -- a common difference of +1.

a = 3

8 0

2 years ago

WHat are the correct answers to this?

iogann1982 [59]

Answer:

1st blank _ 36

2nd blank _ -30

last blank _ 6

7 0

1 year ago

Read 2 more answers

If a line was drawn perpendicular to one whose equation is 4x+2y=11, then its slope would be which of

alexandr402 [8]

I believe the answer would be the 3rd one

8 0

2 years ago

how many ounces of a 24% alcohol solution and a 29% alcohol solution must be combined to obtain 90 ounces of a 25% solution

atroni [7]

Answer:

agregar 14 o

Step-by-step explanation:

8 0

2 years ago