BetterGrades Algebra · Unit A2 · Practice

Expressions, Equality, and Linear Equations: mixed practice

Expressions, Equality, and Linear Equations: mixed practice for Expressions, Equality, and Linear Equations, with an explicit attempt-first assessment blueprint.

Assessment

20 concrete questions

Suggested time: flexible minutes.

Grading boundary: deterministic where supported; symbolic equivalence server-side

Cumulative share: 30% prior units

Each question is fully authored and linked to a lesson skill. Detailed scoring criteria and worked solutions stay protected until a substantive attempt is submitted.

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Open-response checkA2.2

Solve and verify4x=94 - x = -9

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Open-response checkA2.2

Solve x18=27x - 18 = -27 and verify.

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Open-response checkA2.2

Solve 14y=514 - y = -5 without moving terms across the equality sign.

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Open-response checkA2.2

A temperature T plus a change of 11C-11^\circ\mathrm{C} equals 4C-4^\circ\mathrm{C}. Find the starting temperature and interpret.

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Open-response checkA2.2

A student solves x+9=2x + 9 = 2 by adding 99 to both sides. Explain the inverse-operation error.

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Open-response checkA2.3

Solve8x=568x = 56

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Open-response checkA2.3

Solve5x=35-5x = 35

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Open-response checkA2.3

Solve12x=912x = -9

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Open-response checkA2.3

Solve0.4x=3.20.4x = 3.2

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Open-response checkA2.3

Solvex6=9\frac{x}{6} = 9

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Open-response checkA2.3

Solvex7=3\frac{x}{-7} = -3

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Open-response checkA2.3

Solvex2.5=4\frac{x}{2.5} = 4

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Open-response checkA2.3

Solvex34=8\frac{x}{\frac{3}{4}} = 8

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Open-response checkA2.3

Solve(23)x=14(\frac{2}{3})x = 14

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Open-response checkA2.3

Solve(58)x=15(-\frac{5}{8})x = 15

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Open-response checkA2.3

Solve ax =b= b for xx when a0a \ne 0.

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Open-response checkA2.3

Analyze 0x=60x = 6.

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Open-response checkA2.3

Analyze 0x=00x = 0.

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Open-response checkA2.3

A student solves 4x=20-4x=20 as x=5x=5. Repair the sign.

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Open-response checkA2.3

Check x=18x = 18 in x3=6\frac{x}{3} = 6.

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