Illustrative Math - Algebra 2 - Unit 3 - Lesson 13

Which expression is equivalent to 2i(5+3i)?

• -6+10i
• 6+10i
• -10+6i
• 10+6i

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Explain to someone who missed class how you would write (3-5i)(-2+4i) in the form a+bi, where a and b are real numbers.

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Which expression is equal to 729^{\frac{2}{3}}?

• 243
• 486
• 9^{2}
• 27^{3}

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