Standard Form
The standard form of a quadratic function.
What is y=ax2+bx+c
The vertex form of a quadratic function.
What is f(x)=a(x-h)2+k
The intercept form of a quadratic function
What is f(x)=a(x-p)(x-q)?
The arch of a rainbow is modeled by
h(x)=-20(x-100)2+500, where h(x) is the height of the rainbow in feet and x is the horizontal distance (in feet) from the start of the rainbow.
The maximum height of the rainbow.
500 feet
How many students at luther in 2025
1219
Does the function
f(x)= -3x2- x + 3 open up or down?
What is DOWN?
The vertex of
f(x) = 2(x-3)2 - 1
What is (3, -1)
The x-intercepts of f(x)=3(x-2)(x+3)
x= 2, -3
A ball is was thrown up with an initial velocity of 20m/sec from a 60 meter tower.The model for the vertical motion is h(t)=-5t2+20t+60.
At what time will the ball reach its maximum height?
2 seconds?
I am an odd number. Take away a letter and I become even. What number am I?
Seven
The axis of symmetry for f(x)= -x2 - 4x + 1
What is x = -2?
The y-intercept of
f(x) = 3(x-2)2+5
What is 17?
The vertex of
f(x)=(x-3)(x+1).
What is (1,-4)
A ball is was thrown up with an initial velocity of 20m/sec from a 60 meter tower.The model for the vertical motion is h(t)=-5t2+20t+60.
What is the maximum height?
80 meters?
What is the smallest whole number that is equal to seven times the sum of its digits?
21
The y-intercept of f(x)= 3x2 - 8x + 4?
What is 4?
The vertex of f(x)=-(x+6)2+3 and is it is minimum or maximum point?
What is (6,3) Maximum point
The y-intercept of
f(x)= -2(x-3)(x-2)
what is -12?
The revenue from the sale of candy bars is modeled by r(x)=-2x2+16x where x is the number of candy bars produced and sold. What number of candy bars (x) will give you the maximum revenue?
4
There were some people on a train.
19 people get off the train at the first stop.
17 people get on the train.
Now there are 63 people on the train.
How many were on the train to start with?
65
The vertex of f(x)=2x2 - 8x -10
What is (2,-18)
What is the axis of symmetry of f(x)=1/3(x+1)-7
What is x = -1?
The vertex of f(x)= -2(x+1)(x-5).
Does the graph open up or down?
What is (2,18)
Opens Down
The revenue from the sale of candy bars is modeled by r(x)=-2x2+16x where x is the number of candy bars produced and sold.
What is the maximum revenue?
$32?
How can you add eight 8s to get the number 1,000
888 + 88 + 8 + 8 + 8 = 1000