Mathematics: Simplify the number using the imagery unit 1

Simplify the number using the imagery unit 1

SillyEve

10.03.2022

Option C is correct.

12i

Step-by-step explanation:

Simplify: $\sqrt{-144}$

we can write 144 as;

$144 = 12 \times 12 = 12^2$

Also,

i^2 = -1 where i is the imaginary unit.

then;

$\sqrt{-144} =\sqrt{144 \times i^2} = \sqrt{12^2 \times i^2} = 12i$ [∴ $\sqrt{a^2} = a$ ]

Therefore, the simplified form of $\sqrt{-144}$ using imaginary unit i is , 12i

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rafiamajd4537

19.02.2023

x ≈ 3.73

Step-by-step explanation:

98x + 54x = 567

~Combine like terms

152x = 567

~Divide 152 to both sides

x ≈ 3.73

Best of Luck!

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