1 year ago

Both roots of x^2 + Nx + 144 are equal to each other. Find all the possible values of N.

Mathematics

1 answer:

Amanda [17]1 year ago

6 0

Answer:

N=+24,-24

Step-by-step explanation:

Well this is a quadratic equation and we can make further deductions using it's discriminant

b²-4ac=0

N²-4(1×144)=0

N²-576=0

N²=576

N=√576

N=+24,-24

You might be interested in

On a certain function machine, an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output

horrorfan [7]

Input of 3.....output of -6.......(3 * -2 = -6)
input of -2....output of 4........(-2 * -2 = 4)
input of 0....output of 0.........(0 * -2 = 0)

function rule : multiply the input by -2

6 0

2 years ago

Read 2 more answers

Help me, I’m losttt ugh

Svetradugi [14.3K]

Answer:

what are the other drop down menus

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Find (12x+12)−(−5x+8). step by step answers please.

Bas_tet [7]

Answer:

Step-by-step explanation:

First add 5x to 12x which becomes 17x and subtract 8 from 12 which becomes 4. So the answer is 17x+4!

6 0

2 years ago

What is - 4i ^ 19, simplify

german

Answer:

$"i"$

Step-by-step explanation:

$i =\sqrt{-1} \\i^{2}= -1\\\\i^{3}= -i\\\\i^{4}= 1\\\\i^{5}= i\\$

the cycle repeats every 4

19/4 = 4.75

16 is divisible by 4 plus three more

thus $i^{19} = -i$ but you problem has a minus in front so "i"

7 0

2 years ago

Calculate the length of like NO if c = 26 and

Oksanka [162]

Check the picture below.

make sure your calculator is in Degree mode.

6 0

2 years ago