I'm rushing po plss maayos na sagot

1. Which of these quadratic equations is in the standard form? a. X = 25 b. x2 + 4x-5=0 C.X2 - 3x = 5

2. How many roots are there in the quadratic equation x2 + 6x = .9? d. 4x2 - 2 = 7x b. 1 c. 2 d. 3

3. Give the quadratic equation in general form whose roots are and a. 10X2 11x = -6 b. 10x2 + 11x +6 = 0 c. 10x2 + 11x-6=0 d. 10x2.19-6=0

4. What are the roots of the quadratic equation 3x2 + 7x = 6? a.-3} b.(-2,3} C. {3} d. {- ,-3)

5. What are the roots of the quadratic equation x2 -2x - 15 = 0? a. (3.-5 } b.{-3,5) c. {2, 15)

6. How many solutions are there in the quadratic equation (x + 1)2 = 9? d.{-2, 15) a. Two solutions b. no solution c. infinite solution d. more than three solutions

7. Which of the following does not represent a quadratic equation? a. 3(x2 - 6x) = 3x2 + 9 b. X2 - 5x + 10 = 0 C. 3x2 -6x + 11 = 0 d.2(x2 + 8x) = x2 - 12x

8. What is the value of a, b, and c in the equation x2 + 5x = -6? a. a= -1, b = 5, c = 0 b. a = 1, b = 5, c = 6 C. a= 1, b = 5, C = -6 d. None of the above 9. Based on the square root principle, what is/are the valuels of x if x2 = a where a ​