Factoring Quadratic Expressions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in attempting to factor the quadratic expression 3x^2 - 4x - 32?
Use the quadratic formula.
Graph the equation.
Factor out a common term from all terms.
Complete the square.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we factor out a 3 from the expression 3x^2 - 4x - 32?
Because 3 is not a factor of -32.
Because 3 is not a factor of 3x^2.
Because 3 is not a factor of x.
Because 3 is not a factor of -4.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'AC method' help us determine in the context of factoring quadratics?
The roots of the quadratic equation.
The factors of the quadratic expression.
The vertex of the parabola.
The axis of symmetry.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the AC method, what is the product of a and c for the expression 3x^2 - 4x - 32?
96
-96
-32
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which two numbers multiply to -96 and add to -4 in the AC method?
2 and -8
-8 and 12
8 and -12
-2 and 8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of rewriting the quadratic expression using the identified factors?
To simplify the expression.
To prepare for factoring by grouping.
To find the roots of the equation.
To complete the square.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the expression 3x^2 - 4x - 32 rewritten using the factors -2 and 8?
3x^2 - 2x + 8x - 32
3x^2 + 8x - 2x - 32
3x^2 + 2x - 8x - 32
3x^2 - 8x + 2x - 32
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