Nature of the Roots
9th Grade
•15 Qs
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Nature of the Roots
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
VILMA ASUTILLA
Used 9+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Given the equation x2+ 5x + 4 = 0, find the value of b2- 4ac.
12
8
9
25
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the value of the discriminant of the equation 2x2+x - 21= 0?
169
89
49
25
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If b2- 4ac is equal to 0, how many solutions are there?
2
3
1
0
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If the discriminant is a perfect square, the nature of the roots is:
Rational and unequal
Real and equal
Irrational and unequal
Imaginary
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the nature of the roots of the equation x2-2x - 2 = 0?
Imaginary
Irrational and unequal
Real and equal
Rational and unequal
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Find the value of the discriminant of the equation x2-2x - 2 = 0?
40
30
20
10
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the value of the discriminant of the equation 9x2+16 = 0?
669
576
-265
-576
Tags
CCSS.HSA-REI.B.4B
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