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... NOTES: Page 62a, Section 5.4 Complex Numbers: Add and Subtract a) ( 4 − i ) + ( 3 − 2 i ) = 7 − 3 i b) ( 7 − 5 i ) − ( 1 − 5 i ) = 6 + 0 i c) 6 − ( − 2 + 9 i ) + ( − 8 + 4 i ) = 0 − 5 i = − 5 i Complex Numbers: Multiply a) 5 i ( − 2 + i ) = − 10 i + 5 i2 = − 10 i + 5 ( − 1) = − 5 − 10 i ...
... NOTES: Page 62a, Section 5.4 Complex Numbers: Add and Subtract a) ( 4 − i ) + ( 3 − 2 i ) = 7 − 3 i b) ( 7 − 5 i ) − ( 1 − 5 i ) = 6 + 0 i c) 6 − ( − 2 + 9 i ) + ( − 8 + 4 i ) = 0 − 5 i = − 5 i Complex Numbers: Multiply a) 5 i ( − 2 + i ) = − 10 i + 5 i2 = − 10 i + 5 ( − 1) = − 5 − 10 i ...
Algebra 1B, Pre-Final Problems
... b. 9 less than c c. the sum of r and s 13. Let n be the number of magazines Scotty sold. Sherry sold half as many magazines as Scotty. Write an expression for the number of magazines that Sherry sold. 14. Write as an algebraic expression: a number that is 3 less than twice x 15. Find the distance (d ...
... b. 9 less than c c. the sum of r and s 13. Let n be the number of magazines Scotty sold. Sherry sold half as many magazines as Scotty. Write an expression for the number of magazines that Sherry sold. 14. Write as an algebraic expression: a number that is 3 less than twice x 15. Find the distance (d ...