Write the product in standard form.
-(6 + 8i)(7 + 9i)
A) -30 + 110i
B) 72i2 + 110i + 42
C) 114 + 2i
D) -30 - 110i

Name: Write the product in standard form. -(6 + 8i)(7 + 9i) A) -30 + 110i B) 72i2 + 110i + 42 C) 114 + 2i D) -30 - 110i
Brand: Quizplus
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Question

Quizplus · Accepted Answer

To multiply two complex numbers, use the distributive property (FOIL method): (6 + 8i)(7 + 9i) = 42 + 54i + 56i + 72i^2. Since i^2 = -1, this simplifies to 42 + 110i - 72 = -30 + 110i.

Write the Product in Standard Form