Quiz 16 Practice: The discriminant, tables and graphs
Authored by Kimberly Sanquilly
Mathematics
9th Grade
CCSS covered
Used 2+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the formula for the discriminant?
x = -b/2a
b2 - 4ac
a2 + b2 = c2
x = [-b±√(b2-4ac)]/2a
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If the discriminant is equal to 0, how many solutions are there?
No solutions
1 Solution
2 Solutions
Infinite solutions
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If the discriminant is equal to 4, how many solutions are there?
No Solutions
1 Solution
2 Solutions
Infinite Solutions
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If the discriminant is equal to -2, how many solutions are there?
No Solutions
1 Solution
2 Solutions
Infinite Solutions
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the discriminant and how many solutions would this quadratic have?
x2 - 6x + 9 = 0
0, No Solutions
0, 1 Solution
72, 2 Solutions
-72, No Solution
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the discriminant and how many solutions would this quadratic have?
-8x2 + 6x - 4 = 0
-92, No Solutions
164, 2 Solutions
-164, No Solutions
92, 2 Solutions
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the discriminant and how many solutions would this quadratic have?
4x2 + 6x - 4 = 0
-28, No Solutions
28, 2 Solutions
100, 2 Solutions
-100, No Solutions
Tags
CCSS.HSA-REI.B.4B
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