Question

He le product of roots?
E. Independent Activity 3
Read and analyze each problem carefully. Choose the appropriate answer from the
given options.
1. What is the sum of -15 and (8)?
a. 7
b. -7
d. -23
C. 23
2. Find the product of (4/5) and (-2/3)?
a. 2/5
b. 5/15
C. -8/15
d. -3/15
3. One of the roots of 10x2 - 3x - 1 = 0 is 1/2. What is the other root?
a. 2/5
b. 3/5
C. -3/5
d. -1/5
4. What is the sum of roots of a quadratic equation x2 + 7x + 12 = 0?
a. -7
b. -12
d. 12
C. 7
5. Which of the quadratic equation has a product of roots equal to 49?
a. x2 - 2x - 49 = 0
c. x2-14 x + 49= 0
b. x2 + x + 3 = 0
d. -X2 + 4x-49 = 0
F. Independent Assessment 3
9
Grade 9 Mathematics​

Answer 1

Answer:

b ) -15+8 = -7

c) -8/15

d) -1/5

a) -7

b) x^2 -14x + 49