
Understanding Quadratic Functions and FOIL Method

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a necessary condition for a function to be considered quadratic?
All constants must be non-zero.
The constant 'a' must not be zero.
The constant 'c' must not be zero.
The constant 'b' must not be zero.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to multiply two binomials to form a quadratic expression?
The CROSS method
The FOIL method
The GRID method
The SPLIT method
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying the binomials '3x + 4' and '2x + 1' using the FOIL method?
6x^2 + 11x + 4
6x^2 + 8x + 5
5x^2 + 10x + 4
5x^2 + 11x + 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method of factoring quadratics mentioned in the lecture?
Factoring by substitution
Factoring by completing the square
Factoring by inspection
Factoring special products
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be explored in the next lecture regarding quadratic functions?
Advanced methods of solving quadratic equations
Applications of quadratic functions in real life
Different ways to write quadratic functions and their relation to graphs
Historical development of quadratic functions
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