Class 10 Math

3. In a right triangle ABC, right angled at B, _____ = side opposite to angle A / hypotenuse
4. alpha and beta are _______ letters
5. a graph of a quadratic equation has to cut the ______ to have a zero
7. polynomial of degree 3
8. a quadratic polynomial can have at most ___ zeroes
10. The common difference of the AP can be negative, positive or ______
11. The trigonometric _______ of an acute angle in a right triangle express the relationship between the angle and the length of its sides
13. Fundamental Theorem of ___________
14. A pair of linear equations can be represented by the graphical and ______ method
15. HCF X LCM = ______ of the numbers
16. The value of sin A or cos A never exceeds _____
18. The ________ form of AP is a, a + d, a + 2d, a + 3d and so on
19. If a, b, c are in AP, then b = a + c / 2 and b is called the arithmetic ______ of a and c

1. The fixed number d in an AP is called the common __________
2. Elimination and __________ methods are both algebraic methods for finding the solutions to a pair of linear equations
6. c is the _____ term in the quadratic polynomial ax + by + c = 0
7. If the lines in a graph intersect at a point or coincide, the pair of equations is?
9. 1/sin A
12. upward or downward curves used to graph a quadratic polynomial
17. a n is called the general ______ of the AP