Quiz: Quadratic Formula and the Discriminate
Authored by Janet Williams
Other
9th Grade
CCSS covered
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for the discriminate is written as
(x-H)2 + K
b2 - 4ac
Ax2+Bx+C
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the Discriminate is greater than 0 it has how many roots?
0
1
2
3
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the Discriminate is less than 0 it has how many roots?
0
1
2
3
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the Discriminate is equal to 0, it has how many roots?
0
1
2
3
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The graphs above show the discriminates as
greater than 0, less than 0, equal to 0
less than 0, equal to 0, greater than 0
less than 0, greater than 0, equal to 0
equal to 0, less than 0, greater than 0
6.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
____________
For the function above, is the discriminant positive, negative, or zero?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a = 4, b = -8, c = 3
a = 4, b =-8, c =-3
a = 4, b = 8, c = 3
a = 4, b = 8, c = -3
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