Guest practice

REAL NUMBERS

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Simplify: 5√3 - 2√3.

A 3√3 B 7√3 C 3√6 D 10√3

A 3/2 B √2 C π/2 D √3

A 4x² B 16x² C 4x⁴ D 8x²

A Always rational B Always irrational C Always zero D Sometimes rational

A Sometimes rational, sometimes irrational B Always irrational C Always rational D Always an integer

A 1 B 0 C -1 D 2

A xy B x²y C xy³ D x²y³

A 0 B 1 C 100 D 10

A 5a⁵b⁷ B 6a⁶b¹⁰ C 5a⁶b¹⁰ D 6a⁵b⁷

A 5 B 5² C 5⁵ D 25