The Quadratic Formula
x2+5x+6=0
-2 and -3
y=2x2+2x+4
-1/2
9x2 - 88= -7
3 or -3
The curve of a pebble shot out of a slingshot is described by the function −16t2 + 22t + 3=0. What are the values of a, b and c?
a = -16
b = 22
c = 3
What was President Obama's middle name?
Hussein
How many solutions does 9x2-24x+16=0 have?
One
3x2-9x+5
1.5
n2-5=20
5 or - 5
A donut costs the same as the square root of 9 over the square root of 16. How much does the donut cost?
75 cents
How many sides does a star have?
10
How many solutions does this have: 2x2-12=11x
Two.
y=2x2-6x
1.5
x2 - 36=0
6 or - 6
The quadratic function ƒ (x) = -16x2 + 11x models the height, in feet, of a flying fish above the water after x seconds. How long is the flying fish out of the water?
.6875 or .7 seconds
Who won the most recent Super Bowl?
The Philadelphia Eagles
a2+2a-15=0
3 or -5
y=3x2-9
0
x2-63=81
12 or -12
A shark jumps out of the water. The quadratic function ƒ (x) = -16x 2 + 18x models the shark’s height, in feet, above the water after x seconds. How long is the shark out of the water?
1.125 seconds
Which of these letters have an axis of symmetry: F, G, H, J?
H
d2-d-6=0
3, -2
y=2x2+4x-5
-1
2x2-179=0
+/- root 89.5
A punter at football practice kicks the ball into the air. The quadratic function ƒ (x) = -16x2 + 80x + 2 models the height in feet of the football after x seconds. How long does the football stay in the air after the kick?
Approximately 5 seconds
What is unique about these numbers? 8549176320
The are in alphabetical order