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Table of contents

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0. Review of Algebra4h 18m
1. Equations & Inequalities3h 18m
2. Graphs of Equations1h 43m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 5m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 22m
10. Combinatorics & Probability1h 45m

1. Equations & Inequalities

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College Algebra

1. Equations & Inequalities

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Simplify each power of i. i^23

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Related Practice

In Exercises 61–64, write each complex number in standard form.(1 + i)^3

Find each product. Write answers in standard form. i(3-4i)(3+4i)

In Exercises 65–70, perform the indicated operation(s) and write the result in standard form.(4 - i)^2 - (1 + 2i)^2

Find each quotient. Write answers in standard form. -5 / i

In Exercises 95–99, perform the indicated operations and write the result in standard form.8/(1 + 2/i)

Work each problem. Show that √2/2 + √2/2 i is a square root of i.

Multiple Choice

Simplify the power of $i$ .

$i^{1003}$

Multiple Choice

Simplify the power of $i$ .

$i^{85}$

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