Math Problems
x2 + 5x + 6
(x + 3) (x + 2)
What shape does a quadratic function make on a graph?
Parabola (U shape)
What two numbers add to get to 10 and multiple to get to 25?
5 & 5
What is the formula to find the x- coordinate of the vertex?
What is a variable?
A letter that represents an unknown quantity or a value that can change
x2 - 7x + 12
(x -3) (x - 4)
What are the letters in quadratic formula?
A, B, C, X
What two numbers add to get 11 and multiply to get 30?
5 & 6
How do we find the y coordinate of the vertex?
Plug in the x coordinate into the function
What are the first three numbers of Pi?
3.14
x2 + 3x - 10
(x + 5) (x - 2)
What are two methods that you can use to solve quadratic functions?
The Factoring & The Grouping Method
What two numbers add to get to 15 and multiply to get to 44?
11 & 4
Find the x coordinate of the vertex of: y=x2+2x-3
-1
13
x2 - 9x + 20
(x - 4) (x - 5)
In the formula, what variable is squared?
A
What two numbers add to get -11 and multiply to get -80?
-16 & 5
Find the vertex of the following formula: y= -x2+4x-6
(2, -2)
What time does class end?
12:55pm
x2 + x - 30
(x + 6)(x - 5)
What is the formula for factoring quadratic functions?
Ax2 + Bx + C
What two numbers add to get 4 and multiply to get 4?
2 & 2
Find the vertex of the following function:
y= 2x2 - 8x + 3
(2, -5)
Any questions?
Free 500 points