2. Which of the following is a quadratic equation?
a. 2g2 + g + 10
b. xy - 3y = 0
C.-312 + 3t - 2 = 6
d. 2z2 + 3y = 1
3. In the quadratic equation -8r2 + 3r - 2 = 0, which is the quadratic term?
a. -2
b. -8r
C. 3r
d. - 8r2
4. In the quadratic equation 3w2 – 2w + 7 = 0, which is the linear term?
a. 7
b. 3w
C. - 2w
d. 3w2
5. In the quadratic equation d?- d - 1 = 0, which is the constant term?
a - 1
b. d
C. - d
d. d2
6. In the quadratic equation q? - 2q - 10 = 0, what are the values of a, b, and c?
a. a = 1, b = -2, c= -10
c. a = -1, b = -2, c = -10
b. a = 0, b = 2, c = 10
d. a = 1, b = 2, C = 10
7. In the quadratic equation 5x2 - 8 = 0, what are the values of a, b, and c?
a. a = 5, b = 8, C = 0
c. a = 5, b = 0, C = 8
b. a = 5, b = -8, C = 0
d. a = 5, b = 0, C = -8
8. In the quadratic equation (y + 4)(y - 4) = 3, what are the values of a, b, and c?
a. a = 1, b = 4, C = 3
c. a = 1, b = 0, C = -19
b. a = 1, b = -4, c = 3
d. a = 1, b = 0, c = 13
9. What is the standard form of the quadratic equation 2z(2z - 4) = 12?
a. 4z2 - 8z + 12 = 0
c. 4z2 + 8z = 12
b. 4z2 - 8z - 12 = 0
d. -4x2 - 82 - 12 = 0
10. Which is/are correct based on the given statement
I. Quadratic equations are mathematical sentences of degree 2.
II. Quadratic equations are mathematical sentences of degree 1.
III. Quadratic equations are mathematical sentences of no degree.
a. I only
b. I and II only
c. II and III only
d. I, II, II​