Review for Semester 1 Exam (Fall 2024)

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x = 6

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Evaluate the expression: | x + 9 | = -5

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No solution

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What is the complex conjugate of 2 - 3i?

Back

2 + 3i

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x = 6

Front

Multiply and Simplify: 4(x+3)/(x+2)

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(x+2)/(4(x+1))

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What is the definition of a complex conjugate?

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The complex conjugate of a complex number a + bi is a - bi.

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What is the absolute value of a number?

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The absolute value of a number is its distance from zero on the number line, always non-negative.

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Back

x = 2 or x = -2

Front

What is the quadratic formula?

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Front

What does it mean for an equation to have no solution?

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An equation has no solution when there are no values that satisfy it.