All categories

2 years ago

Which of the following are solutions to the quadratic equation x squared plus 8x=9

Mathematics

1 answer:

Tanzania [10]2 years ago

5 0

Answer:

X=1 x=-9

Step-by-step explanation:

(x^2)+8x=9

(x^2)+8x-9=0

(x-1)(x+9)=0

x=1 x=-9

You might be interested in

Can you help me with number 45 please ?

Katyanochek1 [597]

Answer:

h = 84

f = 132

g= 28

Step-by-step explanation:

h = 180 - 48 - 48 = 84

f = 180 - 48 = 132

g = 180 -132 - 20 = 28

6 0

2 years ago

Jonathan bought a new computer for $1,716, using the electronics store's finance plan. He will pay $143 a month for 12 months. W

Reptile [31]

He would use y=1,716-143x

7 0

2 years ago

Read 2 more answers

How many solutions does it have?<br> 3x+4 = 3x+4

MrRa [10]

Answer:

it has no solution.......

answer will be 3x+4 = 3x+4 i.e, 0=0 ,so

but if 3x+4 = 0 , x= -4/3 . Its a linear equation and has only one solution

3 0

1 year ago

Read 2 more answers

¯¯¯¯¯¯ J K is a tangent to circle C . If m ∠ K J L = 27 °, What is m ˆ K L ?

iragen [17]

Answer: I think 13

Step-by-step explanation:

5 0

3 years ago

“ it will take 1 2/3 hours” what is the 2/3 in minutes ?

Fittoniya [83]

Answer:

40 minutes

Step-by-step explanation:

2/3 x 60 = 40

8 0

2 years ago