Para Bowla
Quad Squad
Factor This
Functions on the Runway
Correlation Sensation
100
The shape of a parabola with a maximum
What is a frowning curve, or an upside-down U?
100
The standard form of a quadratic function.
What is y = ax2 + bx + c?
100
The solution(s) to (v - 4)(v - 7) = 0, using the zero product property.
What are 4 and 7?
100
The model to use when there is a common difference in output for every constant difference in input.
What is a linear model?
100
The strength and direction of correlation when r = -0.872
What is a strong negative correlation?
200
A parabola that is concave up (opens up) has its _____________ value at the vertex
What is its minimum?
200
This divides a parabola into two equal halves that are mirror images of each other.
What is the axis of symmetry?
200
DOUBLE JEOPARDY The solution(s) to: (4t + 1)(t - 2) = 0
What is -1/4 or 2?
200
The model used when there is a common 2nd difference (difference between the differences)
What is a quadratic model?
200
Equation for line of best fit for this (x, y) data (rounded to nearest hundredth): (76, 0), (83, 4.5), (84, 3.6), (81, 1.5), (78, 4.8)
What is y = 0.31x - 22.09 ?
300
DOUBLE JEOPARDY
The direction in which a parabola opens, when coefficient a in the quadratic function is negative.
What is downward?
300
The equation for the axis of symmetry, given standard form.
What is ___ ?
x=-b/(2a)
300
The factors of t2 +3t - 54
What are (t + 9) and (t - 6)?
300
The type of model that best fits: (-2,-3) (-1,0) (0,1) (1,0) (2,-3) (hint: Graph the points)
What is a quadratic model?
300
DOUBLE JEOPARDY! Percentage of girls who chose soccer as their favorite sport (to nearest tenth):
What is 48.3%?
400
When coefficient a >1 in standard form, the shape of the parabola is _________ compared to its parent function y = x2 .
What is narrower?
400
The solution to r2 + 4 = 20 (hint: take the square root).
What is ___ ?
+-4
400
The solution(s) to: p2 - 4p = 21
What are -3 and 7?
400
The equation that best fits a function with a slope of 3 and a y-intercept of -2.
What is y = 3x - 2?
400
A comparison of the means and standard deviations of the number of runs scored by these two baseball teams:
Team A: 4, 8, 5, 12, 3, 9, 5, 2
Team B: 5, 9, 11, 4, 6, 11, 2, 7
What is mean A < mean B,
std. dev. A > B?
(means: A=6, B=6.875;
std. dev.: A=3.16, B=3.06)
500
The possible numbers of real roots or zeros for a quadratic function.
What are 2, 1 or zero?
500
The place on a coordinate plane where the zeros of a function are found.
What is the x axis?
500
The solution(s) to 3x2 + 12 = 0
What is no real solutions?
500
The model that fits when there is a common ratio between outputs
What is an exponential function?
500
An example of a causal relationship between two variables in real life, and the sign of r.
What is ... amount of water and time to boil (+); time on phone and time sleeping (-); height of parents and height of children (+); # of correct answers on a test and score (+); volume on radio and loudness (+); distance driven and gas used (+); running speed and time to finish (-); etc.