3 years ago

What is the first step in solving the quadratic equation x2 = 1?

1 answer:

4 0

Answer:

Take the square root of both sides of the equation.

Step-by-step explanation:

please mark brainliest :)

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DENIUS [597]

$x^2+18x=7$
$x^2+18x-7=0$
Use quadratic formula to solve (shown in picture):
We would get two answers:
x = .3808
and
x = -18.381

5 0

3 years ago

almond37 [142]

59,000,000 is your answer now if it was nearest 10 millions it would be 60,000,000

6 0

3 years ago

olasank [31]

7) 1200
8) 3.5
9) 4000
10) 0.23
11) 6210
12) 5

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3 years ago

spayn [35]

C is the correct answer

7 0

3 years ago

marta [7]

Answer:

7.89*10^-5

Step-by-step explanation:

First nonzero digit is 5 places to the right of the decimal point

0.0000<u>7</u>89

move decimal point over 5 places

7.89

mulitply by 10^-5 because the decimal point moved 5 places

7.89*10^-5

5 0

3 years ago