Function Notation & Operations
What is function notation?
Writing f(2)f(2) means finding the output when the input is 2.
What is the vertex?
The highest or lowest point on a parabola.
What are x-intercepts?
The points where a parabola crosses the x-axis.
What is an intersection?
A point where two graphs meet.
what is the class code for this course
MCR3U1-12
What is f(x)+g(x)?
The result of adding two functions together.
What is the value of a?
This tells whether a parabola opens up or down.
What is factoring?
A method that works best when a quadratic factors easily.
What is two solutions?
The number of solutions when a line crosses a parabola twice.
what was our first unit called
Sequences and Series
What is a composite function?
This operation combines two functions by substituting one into the other.
What is completing the square?
A method used to rewrite a quadratic into vertex form.
What is quadratic formula?
A method that works for all quadratic equations.
What is solving graphically?
The method of solving by graphing both equations.
who are Mr bogina's fav students
Taniya, Ugbaad, Jumana, and Ayra
What is 2x+3?
If f(x)=x+3f(x)=x+3 and g(x)=2xg(x)=2x, this is f(g(x))f(g(x)).
What is the vertex?
This represents maximum profit or minimum cost in applications.
What is the discriminant?
A value that determines the number of real solutions.
What is solving algebraically?
The method of solving by substitution or elimination.
what one thing you say when you doing a test
HELP!
look at Mr. Bogina and just stare at him
What is excluding values that make the denominator zero?
The domain restriction needed when dividing functions.
What is vertex form?
The form y=a(x−h)2+k
What is solving graphically?
The method that gives approximate solutions using a graph.
What is no real solution?
A situation where a line does not intersect a parabola.
What was the first joke mr.Bogina made
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