Tutorial - How to subtract a complex number from an imaginary number ex 15, 3i - (1 - 12i)

What is the first step in simplifying the expression 3 - (1 - 12i)?

• Multiply by 2

• Distribute the negative sign

• Divide by 3

• Add 1 to both sides

When rearranging the terms of an expression, what must be preserved?

• The coefficients

• The imaginary unit

• The signs of the terms

• The order of terms

What is the result of combining the imaginary terms 3i and 12i?

• 9i

• 15i

• 5i

• 18i

How should the expression be written in standard form?

• 15 - i

• 15i - 1

• -1 + 15i

• 1 - 15i

What is the standard form of a complex number?

• a + ib

• a - ib

• a - bi

• a + bi