What are the
coordinates of point (2, -3) after it is reflected over the x-Axis?
A) (2, 3)
B) {- 2, 3}
C) (-2,-3}
D) (2,-3)
Explanation:
with (2, - 3) are reflected through x-axes, its co-ordinate become (2, 3)
Sume of the measures interior angles of a quadrilateral
is equal to the sum of_____
A) 2 right angles
B) 4 right angles
C) 3 right angles
D) none of these
Explanation: Since sum of the interior angles of quadrilateral is equal to 360o, and it has 4 right angles i.e.
90o+ 90o+ 90o+ 90o=360o
The product of cube roots of unity is equal to:
A) 0
B) -1
C) 1
D) 3
Explanation: Product of cube root of unity equal to 1.
Note: Sum of the cube root of unity equal to ‘0’.
When a quadratic polynomial is divided by x – 2, we left with ______
A) Linear polynomial
B) Quadratic polynomial
C) Polynomial of order IV
D) none of these
Explanation: As we know that degree of quadratic polynomial is 2.
So when it divides by linear factor, then it degreedecrease by 1. i.e. it becomes degree 1, and degree polynomial are called linear.
Which of the following is a sac like structure which stores waste material for some time before its removal from the cell?
A) Cell membrane
B) Cytoplasm
C) Nucleus
D) Vacuole
Explanation: The Vacuole is a membrane-bound, sac-like structure responsible for the storage of food, water, and waste material of the cell.
