Midterm

Simplifying radicals and complex numbers

(6-3i) + (-3+i)




3-2i

​Adding complex numbers

​multiplying complex numbers

​should be turned into (-1)

​-15i + 6(-1). 15i - 6 -6-15i

(1+5i)-(3-2i)

​1+5i-3+2i

-2+7i

​subtracting complex numbers

Simplifying radicals

Multiple Choice

Solve this complex number!

(5-2i)+(-4+3i)

• 1+i

• 3+2i

• -1+i

• 2+3i

Multiple Choice

Solve the radical

√-280

• -2√70

• i√30

• 2i√70

• -√30