
Determining Solutions of Quadratic Equations Using the Discriminant

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
Standards-aligned

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many X-intercepts can a quadratic equation have?
None, one, or two
One or two
Only one
Only two
Tags
CCSS.HSF-IF.C.7A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if a quadratic equation has no real roots?
The parabola crosses the x-axis at two points
The parabola does not cross the x-axis
The parabola is a straight line
The parabola touches the x-axis at one point
Tags
CCSS.HSF-IF.C.7A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of the quadratic formula helps determine the number of solutions?
The quadratic term
The discriminant
The constant term
The coefficient of x
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is equal to zero, how many real solutions does the quadratic equation have?
Three
Two
One
None
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of the discriminant for the equation 2x^2 - 10x + 11 = 0?
12
22
88
1212
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the equation 2x^2 - 10x + 11 = 0, how many real roots are there?
Three
Two
One
None
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the discriminant of the equation x^2 - 10x + 25 = 0?
100
25
10
0
Tags
CCSS.HSA-REI.B.4B
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