Which is steeper: Line A with a slope of 4 or Line B with a slope of 5?
Line B
100
What two letters of the English alphabet could a parabola resemble?
"u" and "n"
100
To shift any graph up two units, what must one do to it?
Add two.
100
17 divided by 3
What is 5 r 2?
200
What is the linear parent function?
y = x
200
What is the quadratic parent function?
y = x^2
200
In the function y = ax^2 +c, what values of a make the graph appear wider?
0 < a < 1
200
A five year-old boy throws a ball into the air, which can be modeled by the equation h = 10t - 5t^2, where h is the height of the ball in meters and t is the time since it was thrown in seconds.
When will the ball be 100 meters off the ground?
Never!
300
If two lines intersect in a right angle, what are they called?
Perpendicular.
300
If I draw a line, what is the maximum number of times a parabola could intersect it?
Two.
300
For the function y = ax^2 + c, if the graph has a negative a value, what kind of extreme point will the vertex be?
A maximum.
300
What force causes objects to travel in parabolic paths when thrown?
Gravity
400
Consider the following lines:
1) y = 3x +5
2) y = 6x + 5
What are the coordinates of the point of intersection of these lines?
(0, 5)
400
In the quadratic formula, what is b^2 - 4ac called?
The discriminant.
400
Describe the change to the parent function of the following function:
y = -2x^2 +5
The graph opens down, narrows, and shifts five units up.
400
DAILY BONUS QUESTION:
What is Mr. McCall's favorite color?
Blue
500
A point is a zero-dimensional object, a line is a one-dimensional object, and a plane is a two-dimensional object. If two lines intersect at a point, what do two planes intersect at?
A line.
500
What are the three kinds of solutions a quadratic equation could have?
Two real solutions, one real solution, or no real solutions.
500
Putting a negative sign in front of the x^2 term of a quadratic function reflects the function across what axis?
The x-axis.
500
A cannonball's trajectory from a certain cannon can be modeled using the equation h = 20t-5t^2, where h is the height of the cannonball in meters and t is the time it has traveled in seconds.
If the cannonball is shot from a 25 foot cliff, how long will it take to reach the ground?