Quadratic Formula and the Discriminant
Authored by Jim Stewart
Mathematics
8th - 12th Grade
CCSS covered
Used 41+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This equation is in standard form.
5x² - 6x + 7 = 2
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This equation is in standard form.
2x² + x - 11 = 0
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This equation is in standard form.
x² + 15 - 4x = 0
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What step would put this equation in standard form?
14 = 10x² + 6x
Divide both sides by 2
Add 14 to both sides
Subtract 14 from both sides
Take the square root of both sides.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the equation to identify a, b, and c.
3x² -6x + 11 = 0
3, 6, and 11
3, -6, and -11
3x², -6x, and 11
3, -6, and 11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the equation to identify a, b, and c.
x² - 7x + 5 = 15
1, -7, and 5
1, -7, and 20
1, -7, and -10
x, -7, and 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the equation to identify a, b, and c.
4x² = 8x - 9
4, 8, and -9
4, -8, and 9
-4, -8, and 9
4, -8, and -9
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