1. What is the sum of -12 and (-3)?
a 20
b. 4
d. -20
2. Find the product of (3/5) and (2/3)?
a. 275
b. 5/15
C. -2/5
d. -3/15
3. One of the roots of 2x? - X-6 = 0 is 2. What is the other root?
a. 2/3
b. 3/2
c. -3/2
d. -2/3
4. What is the sum of roots of a quadratic equation x2 + 6x + 8 = 0?
a. -8
b. -6
C. 6
d. 8
5. Which of the quadratic equation has a product of roots equal to 3?
a. x2 - 2x - 3= 0
c. X2-4 x + 3 = 0
b. x2 + x - 3 = 0
d. -X2 + 4x-3=0
6. What are the numerical coefficients in the quadratic equation - 10x2 - 7x + 2 =
0?
a. a= 10, b=7, c= 2
b. a= 2, b= 7, c= 10
c. a= -2, b= 4, C= -2
d. a= -10, b= -7, c= 2
Grade 9 Mathematics​