All SSAT Upper Level Math Resources
Example Questions
Example Question #355 : Coordinate Geometry
Multiply the complex conjugate of 8 by . What is the result?
None of the other responses gives the correct product.
The complex conjugate of a complex number is
. Since
, its complex conjugate is
itself. Multiply this by
:
Example Question #356 : Coordinate Geometry
Multiply the complex conjugate of by
. What is the result?
None of the other responses gives the correct product.
The complex conjugate of a complex number is
. Since
, its complex conjugate is
.
Multiply this by :
Recall that by definition .
Example Question #21 : How To Graph Complex Numbers
Multiply the following complex numbers:
FOIL the product out:
To FOIL multiply the first terms from each binomial together, multiply the outer terms of both terms together, multiply the inner terms from both binomials together, and finally multiply the last terms from each binomial together.
Recall that i is an imaginary number and by definition . Substituting this into the function is as follows.
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All SSAT Upper Level Math Resources
