1. It is a mathematical expression equated to zero. *
1 point
A. polynomial expression
B. polynomial equation
C. polynomial inequality
D. polynomial function
2.. Which of the following is a polynomial? *
1 point
A. 5
B. x^-3
C. x^1/2 - 2
D. 1/(x-5)
3. It is NOT a polynomial equation. *
1 point
A. x = 3
B. x – 2 = 0
C. 2x – 5
D. 1 = 3x
4. Which of the following is NOT true about a polynomial equation? *
1 point
A. A polynomial equation is a mathematical expression.
B. The degree of a polynomial equation is the highest exponent of the variable.
C. The number of roots of a polynomial equation is exactly the same as its degree.
D. A polynomial equation can have imaginary coefficients.
5. Why is x^2 +2x^-1 + 3^1/2 = 0 is not a polynomial equation? *
1 point
A. It is not a polynomial equation because of 3^1/2
B. It is not a polynomial equation because of the exponent -1.
C. It is not a polynomial equation because it has only 1 variable x.
D. It is not a polynomial equation because it has only 3 terms.
6. What is the leading coefficient of the polynomial equation ^4 − 5^6 + = 0? *
1 point
A. 1
B. 4
C. -5
D. 6
7. What is the leading term of 2^2 + 6^4 + ^7 − 2 + 1 = 0? *
1 point
A. 2x^2
B. 6x^4
C. ^7
D. -2x
8. Which of the following polynomial equation is written in standard form? *
1 point
A. 3x – 4 = 0
B. 5x^3 + 7x^4 – 2x^5 +3x = 0
C. x^3 + x^2 – 5 + 2x = 0
D. 3x^3 + 4x^2 = 3x + 5
9. What is the constant term of x^2 + x^3 + 2x^4 + x = 0? *
1 point
A. 0
B. 1
C. 2
D. 3
10. It is a polynomial equation with a degree of 3. *
1 point
A. cubic
B. linear
C. quadratic
D. quantic
11. It is a polynomial with 3 terms. *
1 point
A. monomial
B. trinomial
C. linear
D. cubic
12. It is the degree of a quadratic polynomial equation. *
1 point
A. 2
B. 3
C. 4
D. 5
13. What do you call a polynomial equation with exactly 1 term? *
1 point
A. binomial
B. monomial
C. polynomial
D. trinomial
14. How many roots are there in 4x^2 + 2x – 3 = 0? *
1 point
A. 0
B. 2
C. 3
D. 5
15. In the polynomial equation (x + 1)^2(x – 4)^3 = 0, how many times does 1 occur as a root? *
1 point
A. 0
B. 1
C. 2
D. 3
16. The roots of a polynomial equation are {±1, ±2, ±2√2}. How many real roots are there? *
1 point
A. 2
B. 4
C. 6
D. 8
17. The polynomial equation x^n – 1 = 0 has exactly 5 roots. What is n? *
1 point
A. 1
B. 3
C. 5
D. 7
18. The area of the base of a rectangular pyramid is (x – 3) (x + 4) sq. units. Its height is (x + 1) units. If the volume is 108 cubic units, then what is the height of the pyramid? *
1 point
A. 2 units
B. 6 units
C. 9 units
D. 10 units
19. The area of a garden is A = x^2 – x – 12 square feet. What type of polynomial is the area? *
1 point
A. polynomial
B. trinomial
C. binomial
D. monomial
20. The perimeter of a square is (4x + 20) cm. What is the length of each side? *
1 point
A. x – 5 cm
B. x + 5 cm
C. 2x + 10 cm
D. 4x + 20 cm