Nature, Sum and Product of the Roots
Authored by Ryan Sayson
Mathematics
8th - 12th Grade
Used 85+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression represents the discriminant?
b – 4ac
b2 – 4ac
b2 + 4ac
ax2 + bx + c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is/are the nature of roots if the discriminant is negative?
not real
rational and equal
rational and not equal
irrational and equal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the discriminant of -2x2 – x – 1 = 0
-7
-9
9
76
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An equation has a discriminant of 25. How many solutions does it have?
0
1
2
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The value of the discriminant is equal to 27, what are the characteristics of the roots?
real
imaginary
rational and unequal
irrational and not equal
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the factors of x2 – 10x + 16?
(x + 4)(x + 4)
(x – 4) (x – 4)
(x + 8)(x + 2)
(x – 8) (x – 2)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the roots of (x – 7) (x + 3) = 0
7, 3
7, -3
-7, 3
-7, -3
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