
Quadratic Inequalities and Functions

Interactive Video
•
Mathematics
•
8th - 10th Grade
•
Hard
+1
Standards-aligned

Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a quadratic inequality?
Graphing the inequality
Setting the inequality in standard form
Finding the vertex of the parabola
Calculating the discriminant
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the critical points of the quadratic equation 2x^2 - 7x = 0?
By completing the square
By graphing the equation
By using the quadratic formula
By factoring the equation
Tags
CCSS.6.EE.B.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of points are used on the number line for inequalities with 'greater than' symbols?
Dashed points
Solid points
Open points
Closed points
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which test point would you use for the interval to the left of x = 0?
x = 1
x = 0
x = 4
x = -1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of testing x = 1 in the inequality 2x^2 - 7x > 0?
True, the interval is part of the solution
False, the interval is not part of the solution
False, but the interval is part of the solution
True, but the interval is not part of the solution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the interval notation for the solution of the inequality 2x^2 - 7x > 0?
(-∞, 0) ∪ (7/2, ∞)
[0, ∞)
[0, 7/2]
(-∞, 7/2]
Tags
CCSS.6.EE.B.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are parentheses used in the interval notation for the solution?
Because the endpoints are included
Because the solution is a closed interval
Because the solution is a single point
Because the endpoints are not included
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