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Real and complex number systems · ACT · Courselo

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ACT
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Math: number and quantity

Real and complex number systems

Math: number and quantity · Lesson 1 of 1

Lesson 1 of 1

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Unit 4

Math: number and quantity

1 lesson · 1 h 40 min of study

Real and complex number systemsReading · 0%

This unit is ≈4% of the ACT, across 1 lesson. Full syllabus

Lesson 1 of 1 · Math: number and quantity

Real and complex number systems

3 quick checks≈4% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Apply integer properties: factors, multiples, primes, divisibility, remainders, GCF and LCM, and even/odd and sign reasoning
Simplify expressions with integer and rational exponents and radicals, and convert between radical and exponent form
Compute with scientific notation, and order and compare rational and irrational numbers

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Adaptive questions on real and complex number systems.

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Add, subtract, multiply and divide complex numbers, using powers of i and complex conjugates

Perform basic vector operations (components, sums, scalar multiples) and matrix operations (dimensions, sums, products, determinants of 2×2 matrices)

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