Study Polynomial Functions And End Behavior in AP Precalculus with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.
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Flashcard 1: State the y-intercept of f(x)=−3x3+4x2−x+6.
Answer:
- Evaluate f(0) to find y-intercept.
Flashcard 2: What is the degree of f(x)=−x2+4x−1?
Answer:
- The highest power of x.
Flashcard 3: What is the end behavior of f(x)=−4x3+2x−5 as x→−infinity?
Answer: f(x)→infinity. Odd degree with negative leading coefficient: x→−∞ gives f(x)→+∞.
Flashcard 4: What is the end behavior of f(x)=x7−x5+x as x→infinity?
Answer: f(x)→infinity. Odd degree with positive leading coefficient goes to +∞.
Flashcard 5: State the constant term in f(x)=3x5−5x3+2.
Answer:
- The term without any variable.
Flashcard 6: What is the degree of f(x)=4x5−9?
Answer:
- The highest power of x.
Flashcard 7: State the leading coefficient of f(x)=−2x3+4x2−x+5.
Answer: -2. The coefficient of the highest degree term.
Flashcard 8: What is the end behavior of f(x)=5x2−3x+1 as x→infinity?
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 9: Find the leading coefficient of f(x)=7x5−4x3+x2−8.
Answer:
- The coefficient of the highest degree term.
Flashcard 10: Determine the degree of f(x)=9x6−7x4+3x2.
Answer:
- The highest power of x.
Flashcard 11: What is the end behavior of f(x)=−4x3+2x−5 as x→−infinity?
Answer: f(x)→infinity. Odd degree with negative leading coefficient: x→−∞ gives f(x)→+∞.
Flashcard 12: Identify the constant term in f(x)=4x3−x2+6x−9.
Answer: -9. The term without any variable.
Flashcard 13: State the polynomial type for f(x)=x3−4x+2.
Answer: Cubic polynomial. Degree 3 polynomials are called cubic.
Flashcard 14: What is the end behavior of f(x)=3x2−7x+4 as x→infinity?
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 15: Determine the multiplicity of root x=−1 in f(x)=(x+1)2(x−2).
Answer:
- The exponent on factor (x+1).
Flashcard 16: What is the end behavior of f(x)=−3x4+6x2−9 as x→infinity?
Answer: f(x)→−infinity. Even degree with negative leading coefficient goes to −∞.
Flashcard 17: What is the axis of symmetry for f(x)=x2−4x+3?
Answer: x=2. For quadratic ax2+bx+c, axis is x=−2ab.
Flashcard 18: What is the y-intercept of f(x)=2x4−3x2+7?
Answer:
- Evaluate f(0) to find y-intercept.
Flashcard 19: What is the end behavior of f(x)=5x2−3x+1 as x→infinity?
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 20: What is the leading term of f(x)=x8−3x5+2x−9?
Answer: x^8. The term with highest degree and its coefficient.
Flashcard 21: What is the end behavior of f(x)=3x2−7x+4 as x→infinity?
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 22: State the end behavior of f(x)=−x6+2x4−5 as x→infinity.
Answer: f(x)→−infinity. Even degree with negative leading coefficient goes to −∞.
Flashcard 23: Identify the y-intercept in f(x)=6x4−x2+2.
Answer:
- Evaluate f(0) to find y-intercept.
Flashcard 24: Identify the y-intercept in f(x)=6x4−x2+2.
Answer:
- Evaluate f(0) to find y-intercept.
Flashcard 25: What is the leading coefficient of f(x)=10x3−5x2+7?
Answer:
- The coefficient of the highest degree term.
Flashcard 26: What is the axis of symmetry for f(x)=x2−4x+3?
Answer: x=2. For quadratic ax2+bx+c, axis is x=−2ab.
Flashcard 27: Find the end behavior of f(x)=7x2−4x+1 as x→−infinity.
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 28: What is the leading term of f(x)=x8−3x5+2x−9?
Answer: x^8. The term with highest degree and its coefficient.
Flashcard 29: Identify the constant term in f(x)=4x3−x2+6x−9.
Answer: -9. The term without any variable.
Flashcard 30: Determine the multiplicity of root x=−1 in f(x)=(x+1)2(x−2).
Answer:
- The exponent on factor (x+1).
Flashcard 31: State the end behavior of f(x)=x6−4x3+5 as x→−infinity.
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 32: State the y-intercept of f(x)=−3x3+4x2−x+6.
Answer:
- Evaluate f(0) to find y-intercept.
Flashcard 33: What is the degree of f(x)=4x5−9?
Answer:
- The highest power of x.
Flashcard 34: State the end behavior of f(x)=−x6+2x4−5 as x→infinity.
Answer: f(x)→−infinity. Even degree with negative leading coefficient goes to −∞.
Flashcard 35: Determine the degree of f(x)=9x6−7x4+3x2.
Answer:
- The highest power of x.
Flashcard 36: Identify the leading term in f(x)=6x7−3x5+2x−8.
Answer: 6x^7. The term with highest degree and its coefficient.
Flashcard 37: Find the leading coefficient of f(x)=7x5−4x3+x2−8.
Answer:
- The coefficient of the highest degree term.
Flashcard 38: What is the end behavior of f(x)=−x5+3x2−7 as x→−infinity?
Answer: f(x)→infinity. Odd degree with negative leading coefficient: x→−∞ gives f(x)→+∞.
Flashcard 39: What is the degree of f(x)=−x2+4x−1?
Answer:
- The highest power of x.
Flashcard 40: What is the leading coefficient of f(x)=10x3−5x2+7?
Answer:
- The coefficient of the highest degree term.
Flashcard 41: What is the end behavior of f(x)=x7−x5+x as x→infinity?
Answer: f(x)→infinity. Odd degree with positive leading coefficient goes to +∞.
Flashcard 42: What is the degree of the polynomial f(x)=3x4−5x3+2x2−x+7?
Answer:
- The highest power of x determines the degree.
Flashcard 43: State the number of real roots for f(x)=x4−1.
Answer:
- Factor as (x2−1)=(x−1)(x+1) to find roots ±1.
Flashcard 44: What is the degree of f(x)=x7−2x4+x2?
Answer:
- The highest power of x.
Flashcard 45: Identify the constant term in f(x)=5x3−2x+7.
Answer:
- The term without any variable.
Flashcard 46: State the end behavior of f(x)=x9−x5 as x→−infinity.
Answer: f(x)→−infinity. Odd degree with positive leading coefficient: x→−∞ gives f(x)→−∞.
Flashcard 47: State the end behavior of f(x)=x9−x5 as x→−infinity.
Answer: f(x)→−infinity. Odd degree with positive leading coefficient: x→−∞ gives f(x)→−∞.
Flashcard 48: What is the degree of f(x)=x7−2x4+x2?
Answer:
- The highest power of x.
Flashcard 49: Identify the constant term in f(x)=5x3−2x+7.
Answer:
- The term without any variable.
Flashcard 50: Identify the degree of polynomial f(x)=−5x7+2x4−x.
Answer: 7. The highest power of x.
Flashcard 51: State the polynomial function given roots x=1, x=−2, and x=3.
Answer: (x−1)(x+2)(x−3). Use (x−r) for each root r.
Flashcard 52: State the end behavior of f(x)=x6−4x3+5 as x→−infinity.
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 53: Identify the degree of polynomial f(x)=−5x7+2x4−x.
Answer: 7. The highest power of x.
Flashcard 54: State the leading coefficient of f(x)=−8x4+2x3−x+1.
Answer: -8. The coefficient of the highest degree term.
Flashcard 55: State the constant term in f(x)=3x5−5x3+2.
Answer:
- The term without any variable.
Flashcard 56: What is the end behavior of f(x)=−3x4+6x2−9 as x→infinity?
Answer: f(x)→−infinity. Even degree with negative leading coefficient goes to −∞.
Flashcard 57: Find the end behavior of f(x)=7x2−4x+1 as x→−infinity.
Answer: f(x)→infinity. Even degree with positive leading coefficient goes to +∞.
Flashcard 58: Determine the multiplicity of root x=2 in f(x)=(x−2)3(x+1).
Answer:
- The exponent on factor (x−2).
Flashcard 59: Identify the leading term in f(x)=6x7−3x5+2x−8.
Answer: 6x^7. The term with highest degree and its coefficient.
Flashcard 60: Determine the multiplicity of root x=2 in f(x)=(x−2)3(x+1).
Answer:
- The exponent on factor (x−2).
Flashcard 61: State the leading coefficient of f(x)=−2x3+4x2−x+5.
Answer: -2. The coefficient of the highest degree term.
Flashcard 62: State the polynomial type for f(x)=x3−4x+2.
Answer: Cubic polynomial. Degree 3 polynomials are called cubic.
Flashcard 63: What is the end behavior of f(x)=2x3−4x+1 as x→infinity?
Answer: f(x)→infinity. Odd degree with positive leading coefficient goes to +∞.
Flashcard 64: What is the end behavior of f(x)=2x3−4x+1 as x→infinity?
Answer: f(x)→infinity. Odd degree with positive leading coefficient goes to +∞.