Quadratic Formula and Discriminant
Authored by Erica Riley
Mathematics
9th - 12th Grade
CCSS covered
Used 13+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What formula is being shown?
slope formula
quadratic formula
zero product property
discriminant formula
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Determine the values of a, b, and c for the quadratic equation: Check all that apply.
x2 - 3x + 5 = 0
a= 1
b= 3
b= -3
c= 5
c= 0
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine the values of a, b, and c for the quadratic equation.
Hint: First, make sure this equation is set equal to 0 .
4x2 – 8x = 3
a = 4x2, b = -8x, c = 3
a = 4, b = -8, c = -3
a = x2, b = x, c = 3
a= 1 b= -8 c= 0
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The formula to determine how many solutions a quadratic equation has is called the discriminant which is...
ax2 + bx + c
b - 4ac
b2 - 4ac
b2 + 4ac
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
5 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
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
For the function above, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
7.
MULTIPLE CHOICE QUESTION
5 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
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