Quadratics
Find the axis of symmetry from the equation:
2x2+8x-9
x=-2
What does it mean to solve a system?
To find the intersection point of two functions.
Find the multiplier between the two points:
(1,10) (3,40)
b=2
Does England have a Fourth of July?
Duh they do!! It is right after the 3rd.
1,2,3 and 4
Solve the system
y=20
x=y-1
(19,20)
Find THE MULTIPLIER from these two points:
(2,27) & (5,729)
b=3
A farmer has 17 sheep. All but 9 die. How many does he have left?
9 sheep
Does this function open up or down? 2x2-4x-2
Opens up!
Solve the system:
3x+4y=21
x+y=5
x=2
y=3
Find FIGRUE 0 from these two points:
(2,27) & (5,729) use the multiplier of 3
a=3
If you have 3 apples and you take 2 of those 3 how many apples do you have?
3. You had 3 in the beginning!
Factor 9x2-25
(3x+5)(3x-5)
Solve this system using these linear equations.
x+4y=9
x+2y=5
x=1
y= 2
Therefore, (1,2)
What is the multiplier between these two points?
(5,40) & (8,5)
b=.5
If you walked into a room, and had only one match, and the room contained an oil burner, a kerosene lamp and a wood-burning stove, what would you light first?
The match
What is the coordinates of the vertex? (HINT: find the axis of symmetry first and then plug that number into the equation)
y=2x2+4x+5
(-1,3)
You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each soda costs $0.50. At the end of the night you made a total of $78.50. You sold a total of 87 hot dogs and sodas combined. You must report the number of hot dogs sold and the number of sodas sold. How many hot dogs were sold and how many sodas were sold?
35 hot dogs were sold.
52 sodas were sold.
Find the multiplier between these two points
(4,1.1) & (10,1.9487171)
b=1.1
If you’re running a race and you pass the person in second place, what place are you in?
2nd place.