Find the Vertex
y=x2-2x+3
(1,2)
What is the domain of:
y=x2+4x-1
All Real Numbers
Fill in a table of values with 5 points (1 point must be the vertex).
y=x2+2
x | -2 | -1 | 0 | 1 | 2 |
y | 6 | 3 | 2 | 3 | 6 |
Rui is a professional deep water free diver.
His altitude (in meters relative to sea level), seconds after diving, is modeled by: y=.5x2-10x
How many seconds after diving will Rui reach his lowest altitude?
10 seconds
Harry Potter was written by this author
J.K. Rowling
y=(x-2)2+2
(2,2)
What is the Range of:
y=(x-1)2+3
y>3
Fill in a table of values with 5 points (1 point must be the vertex).
y=(x-1)2
x | -1 | 0 | 1 | 2 | 3 |
y | 4 | 1 | 0 | 1 | 4 |
April shoots an arrow upward at a speed of 80 feet per second from a platform 25 feet high. The pathway of the arrow can be represented by h(t)=-16t2+80t+25, where h is the height in feet and t is the time in seconds.
How high is the arrow after 3 seconds?
121 ft
"To be, or not to be" is from this Shakespeare play
Hamlet
(0,7)
What is the Vertex of:
y=3x(x-2)
(1,-3)
Fill in a table of values with 5 points (1 point must be the vertex).
y=(x+2)2+1
x | -4 | -3 | -2 | -1 | 0 |
y | 5 | 2 | 1 | 2 | 5 |
The function h(t)=-4t2+20t represents the height (in feet) of an athlete t seconds after starting a pole vault. The bar they need to clear is 20 feet high. Will the pole vaulter clear the bar?
Yes
"The study of life" is known as this
Biology
y=.5(x+3)(x-5)
(1,-8)
What is the Range of:
y=-(x+1)(x-3)
y<-4
Fill in a table of values with 5 points (1 point must be the vertex).
y=-(x-2)(x+2)
x | -2 | -1 | 0 | 1 | 2 |
y | 0 | 3 | 4 | 3 | 0 |
You and your friend are golfing. The function h(t)=-5t2+20t represents the height (in meters) of your golf ball t seconds after it is hit. The height of your friends gold ball is shown in the graph. (#5 on Review)
Which golf ball went higher?
Your friend's golf ball went higher
This Canadian city is the country's capital
Ottawa
y=3(x+5)2-4
(-5,-4)
What is the increasing interval of:
y=x2+4x+1
x>-2
Fill in a table of values with 5 points (1 point must be the vertex).
y=-2x2+4x-4
x | -1 | 0 | 1 | 2 | 3 |
y |-10| -4| -2| -4|-10|
A circus acrobat is shot out of a cannon. The equation for the acrobat's pathway can be modeled by the equation h(t)=-16t2+50t+4 (height measure in feet).
What is the maximum height of the acrobat?
43.06 ft
This is the longest wall in the world, extending over 13,000 miles
The Great Wall of China