Modele de subiecte tip BAC rezolvate

Variantă 1 - Subiect tip 1

TESTUL nr. 1

Subiect tip I.

1. Calculați modulul numărului complexMathML (base64):PG1hdGg+CiAgICA8bWk+WjwvbWk+CiAgICA8bW8+PTwvbW8+CiAgICA8bWZyYWM+CiAgICAgICAgPG1pPjMgKyA0aTwvbWk+CiAgICAgICAgPG1yb3c+CiAgICAgICAgICAgIDxtbj40PC9tbj4KICAgICAgICAgICAgPG1vPi08L21vPgogICAgICAgICAgICA8bXRleHQ+M2k8L210ZXh0PgogICAgICAgIDwvbXJvdz4KICAgIDwvbWZyYWM+CiAgICA8bWZyYWM+CiAgICAgICAgPG1yb3c+CiAgICAgICAgPC9tcm93PgogICAgICAgIDxtcm93PgogICAgICAgIDwvbXJvdz4KICAgIDwvbWZyYWM+CjwvbWF0aD4=.

2. Fie MathML (base64):PG1hdGg+CiAgICA8bWk+Zjo8L21pPgogICAgPG1pPiYjeDIxMUQ7PC9taT4KICAgIDxtaT4mI3gyMTkyOzwvbWk+CiAgICA8bWk+JiN4MjExRDs8L21pPgogICAgPG1vPjs8L21vPgogICAgPG1pPmYoPC9taT4KICAgIDxtaT54PC9taT4KICAgIDxtaT4pPC9taT4KICAgIDxtbz49PC9tbz4KICAgIDxtc3VwPgogICAgICAgIDxtaT54PC9taT4KICAgICAgICA8bWk+MjwvbWk+CiAgICA8L21zdXA+CiAgICA8bW8+K2xuKDwvbW8+CiAgICA8bWk+eDwvbWk+CiAgICA8bWk+KTwvbWk+CiAgICA8bW8+KzM8L21vPgo8L21hdGg+. Determinați MathML (base64):PG1hdGg+CiAgICA8bWk+bTwvbWk+CiAgICA8bW8+JiN4MjIwODs8L21vPgogICAgPG1vPiYjeDIxMUQ7PC9tbz4KPC9tYXRoPg== astfel încât MathML (base64):PG1hdGg+CiAgICA8bXN1Yj4KICAgICAgICA8bWk+RzwvbWk+CiAgICAgICAgPG1pPmY8L21pPgogICAgPC9tc3ViPgo8L21hdGg+ să fie tangent la dreapta MathML (base64):PG1hdGg+CiAgICA8bXN1cD4KICAgICAgICA8bWk+eTwvbWk+CiAgICAgICAgPG1yb3c+CiAgICAgICAgICAgIDxtbz4nPC9tbz4KICAgICAgICA8L21yb3c+CiAgICA8L21zdXA+CiAgICA8bW8+PTwvbW8+CiAgICA8bW8+LTE8L21vPgo8L21hdGg+.

3. Să se rezolve in MathML (base64):PG1hdGg+CiAgICA8bWk+JiN4MjExRDs8L21pPgo8L21hdGg+ ecuația MathML (base64):PG1hdGg+CiAgICA8bXN1cD4KICAgICAgICA8bWk+bGc8L21pPgogICAgICAgIDxtaT4yPC9taT4KICAgIDwvbXN1cD4KICAgIDxtaT48L21pPgogICAgPG1pPng8L21pPgogICAgPG1vPiYjeDIyMTI7MmxnPC9tbz4KICAgIDxtaT54PC9taT4KICAgIDxtbz4mI3gyMjEyOzM9MDwvbW8+CjwvbWF0aD4=.

4. Determinați numărul elementelor mulțimii MathML (base64):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

5. Scrieți ecuația dreptei ce trece prin M(-2, 3) și este perpendiculară pe dreapta 3x - 4y - 12 = 0.

6. Determinați MathML (base64):PG1hdGg+CiAgICA8bWk+bTwvbWk+CiAgICA8bW8+JiN4MjIwODs8L21vPgogICAgPG1vPiYjeDIxMUQ7PC9tbz4KPC9tYXRoPg== astfel încât ecuația MathML (base64):PG1hdGg+CiAgICA8bXJvdz4KICAgICAgICA8bWk+c2luPC9taT4KICAgICAgICA8bWk+PC9taT4KICAgICAgICA8bWk+eDwvbWk+CiAgICA8L21yb3c+CiAgICA8bW8+PC9tbz4KICAgIDxtbz4rPC9tbz4KICAgIDxtcm93PgogICAgICAgIDxtaT5jb3M8L21pPgogICAgICAgIDxtaT48L21pPgogICAgICAgIDxtaT54PC9taT4KICAgIDwvbXJvdz4KICAgIDxtbz49bTwvbW8+CjwvbWF0aD4= să aibă soluții.

GRATUIT - Variantă 1 - Subiect tip 2

TESTUL nr. 1

Subiect tip II.

1. Fie matricea , MathML (base64):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

a) Calculați detA(x)

b) Pentru x=3, determinați MathML (base64):PG1hdGg+CiAgICA8bXN1cD4KICAgICAgICA8bWk+QTwvbWk+CiAgICAgICAgPG1pPi0xPC9taT4KICAgIDwvbXN1cD4KPC9tYXRoPg==

c) Rezolvați ecuația  MathML (base64):PG1hdGg+CiAgICA8bWk+ZGV0PC9taT4KICAgIDxtaT5BKDwvbWk+CiAgICA8bXN1cD4KICAgICAgICA8bWk+MjwvbWk+CiAgICAgICAgPG1pPng8L21pPgogICAgPC9tc3VwPgogICAgPG1pPik8L21pPgogICAgPG1pPj08L21pPgogICAgPG1pPjA8L21pPgo8L21hdGg+

2. Fie MathML (base64):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

a) Să se determine MathML (base64):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

b) Pentru MathML (base64):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, să se arate că MathML (base64):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

c) Pentru b=-4a, arătați că MathML (base64):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

Variantă 1 - Subiect tip 3

TESTUL nr. 1

Subiect tip III.

1. Fie MathML (base64):PG1hdGg+CiAgICA8bWk+ZjwvbWk+CiAgICA8bWk+OjwvbWk+CiAgICA8bWk+KDwvbWk+CiAgICA8bWk+MTwvbWk+CiAgICA8bWk+LDwvbWk+CiAgICA8bW8+JiN4MjIxRTs8L21vPgogICAgPG1pPik8L21pPgogICAgPG1pPjwvbWk+CiAgICA8bW8+JiN4MjE5Mjs8L21vPgogICAgPG1vPiYjeDIxMUQ7PC9tbz4KICAgIDxtaT4sPC9taT4KICAgIDxtcGhhbnRvbT4KICAgICAgICA8bWdseXBoIHN0eWxlPSJib3JkZXI6MXB4IiB3aWR0aD0iMC42NmVtIiBoZWlnaHQ9IjFlbSI+PC9tZ2x5cGg+CiAgICA8L21waGFudG9tPgogICAgPG1pPmY8L21pPgogICAgPG1pPig8L21pPgogICAgPG1pPng8L21pPgogICAgPG1pPik8L21pPgogICAgPG1pPj08L21pPgogICAgPG1mcmFjPgogICAgICAgIDxtaT5sbng8L21pPgogICAgICAgIDxtaT54LTE8L21pPgogICAgPC9tZnJhYz4KPC9tYXRoPg==

a) Să se arate că MathML (base64):PG1hdGg+CiAgICA8bXN1cD4KICAgICAgICA8bWk+Zih4KTwvbWk+CiAgICAgICAgPG1vPic8L21vPgogICAgPC9tc3VwPgogICAgPG1pPj08L21pPgogICAgPG1mcmFjPgogICAgICAgIDxtaT54LTEteGxueDwvbWk+CiAgICAgICAgPG1yb3c+CiAgICAgICAgICAgIDxtaT54PC9taT4KICAgICAgICAgICAgPG1zdXA+CiAgICAgICAgICAgICAgICA8bWk+KHgtMSk8L21pPgogICAgICAgICAgICAgICAgPG1pPjI8L21pPgogICAgICAgICAgICA8L21zdXA+CiAgICAgICAgPC9tcm93PgogICAgPC9tZnJhYz4KPC9tYXRoPg==

b) Scrieți ecuația asimptotei la MathML (base64):PG1hdGg+CiAgICA8bXN1Yj4KICAgICAgICA8bWk+RzwvbWk+CiAgICAgICAgPG1pPmY8L21pPgogICAgPC9tc3ViPgo8L21hdGg+ spre MathML (base64):PG1hdGg+CiAgICA8bW8+KyYjeDIyMUU7PC9tbz4KPC9tYXRoPg==

c) Determinați monotonia lui f.

2. Fie MathML (base64):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 și MathML (base64):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

a) Calculați MathML (base64):PG1hdGg+CiAgICA8bXN1Yj4KICAgICAgICA8bWk+STwvbWk+CiAgICAgICAgPG1pPjE8L21pPgogICAgPC9tc3ViPgo8L21hdGg+

b) Calculați MathML (base64):PG1hdGg+CiAgICA8bXN1Yj4KICAgICAgICA8bWk+STwvbWk+CiAgICAgICAgPG1yb3c+CiAgICAgICAgICAgIDxtaT5uPC9taT4KICAgICAgICAgICAgPG1vPis8L21vPgogICAgICAgICAgICA8bW4+MjwvbW4+CiAgICAgICAgPC9tcm93PgogICAgPC9tc3ViPgogICAgPG1vPis8L21vPgogICAgPG1zdWI+CiAgICAgICAgPG1pPkk8L21pPgogICAgICAgIDxtcm93PgogICAgICAgICAgICA8bWk+bjwvbWk+CiAgICAgICAgPC9tcm93PgogICAgPC9tc3ViPgo8L21hdGg+

c) Arătați că șirul MathML (base64):PG1hdGg+CiAgICA8bXN1Yj4KICAgICAgICA8bXJvdz4KICAgICAgICAgICAgPG1mZW5jZWQ+CiAgICAgICAgICAgICAgICA8bXN1Yj4KICAgICAgICAgICAgICAgICAgICA8bWk+STwvbWk+CiAgICAgICAgICAgICAgICAgICAgPG1yb3c+CiAgICAgICAgICAgICAgICAgICAgICAgIDxtaT5uPC9taT4KICAgICAgICAgICAgICAgICAgICA8L21yb3c+CiAgICAgICAgICAgICAgICA8L21zdWI+CiAgICAgICAgICAgIDwvbWZlbmNlZD4KICAgICAgICA8L21yb3c+CiAgICAgICAgPG1vPm4mI3gyMjY1OzE8L21vPgogICAgPC9tc3ViPgo8L21hdGg+ este convergent și calculați MathML (base64):PG1hdGg+CiAgICA8bXJvdz4KICAgICAgICA8bXVuZGVyPgogICAgICAgICAgICA8bXJvdz4KICAgICAgICAgICAgICAgIDxtaT5saW08L21pPgogICAgICAgICAgICAgICAgPG1yb3c+CiAgICAgICAgICAgICAgICAgICAgPG1zdWI+CiAgICAgICAgICAgICAgICAgICAgICAgIDxtaT5JPC9taT4KICAgICAgICAgICAgICAgICAgICAgICAgPG1yb3c+CiAgICAgICAgICAgICAgICAgICAgICAgICAgICA8bWk+bjwvbWk+CiAgICAgICAgICAgICAgICAgICAgICAgIDwvbXJvdz4KICAgICAgICAgICAgICAgICAgICA8L21zdWI+CiAgICAgICAgICAgICAgICA8L21yb3c+CiAgICAgICAgICAgIDwvbXJvdz4KICAgICAgICAgICAgPG1yb3c+CiAgICAgICAgICAgICAgICA8bWk+bjwvbWk+CiAgICAgICAgICAgICAgICA8bW8+JiN4MjE5Mjs8L21vPgogICAgICAgICAgICAgICAgPG1uPiYjeDIyMUU7PC9tbj4KICAgICAgICAgICAgPC9tcm93PgogICAgICAgIDwvbXVuZGVyPgogICAgPC9tcm93Pgo8L21hdGg+