
Quadratic Functions and Inequalities

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
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 do the x-intercepts of a quadratic function represent?
Where the function is positive
Where the function is negative
Where the function equals zero
Where the function is undefined
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a quadratic inequality?
Plotting the graph
Using a graphing calculator
Finding the zeros of the polynomial
Testing interval values
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When plotting on a number line, how do you decide between open and closed points?
Based on the degree of the polynomial
Based on the inequality symbol
Based on the number of zeros
Based on the graph's shape
Tags
CCSS.HSA.REI.D.12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example problem, what are the test values chosen for the intervals?
-1, 1, 10
-4, 2, 7
-2, 0, 8
-3, 0, 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a true test value indicate about an interval?
The interval is false
The interval is zero
The interval is true
The interval is undefined
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the solution set for the quadratic inequality?
From 3/2 to 4
From 0 to 5
From -2 to 8
From negative infinity to 3/2 and from 4 to positive infinity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the solution verified graphically in the second example?
By checking if the graph intersects the y-axis
By checking if the graph is above the x-axis
By checking if the graph is a straight line
By checking if the graph is below the x-axis
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