Question

(c) U
(d) no
Q2. Fill in the blanks
1. A cubic polynomial is of degree ............
2. If the discriminant of a quadratic equation is zero, then its roots are ...........
.............
3. The nth term of an AP whose first term is a and common difference is dis ...
4. The distance of the point (p, q) from (a, b) is .................
5. Two figures having the same shape and size are said to be
Q3. Solve each of the following
1. Find sin? 90° + sin? 30° + sin? 45°
2. If p(x)=4x²+8x-12, find the sum and product of its zeroes.
8. For a given data with 70 observation, the less then ogive then olive intersect at (20.5, 35)
find the median of the data.
5. Surface area of sphere is 616cm find the volume of the sphere.​

Answer 1

Answer:

three,one real root, fourth the distance between point p and q,they have same shape but not same size

Answer 2

Step-by-step explanation:

1. 3

2. 0

4. (15,15)

5. congruent