The point where the axes intersect
origin
This scatterplot represents sales of popsicles. Describe the relationship between temperature and sales.
As temperature rises, sale of popsicles rises.
This graph's zeros are located at...
-4, 2
This image represents the concept of...
completing the square
Define linear regression
Statistical method used to model the relationship between a dependent variable and one or more independent variables
The domain of the function f(x) = √(x + 3)
x ≥ -3
f(x) or f of x is known as...
function notation
The formula b±√(b²-4ac))/(2a)
quadratic formula
Part of the quadratic formula that tells us how many solutions there are
discriminant
Which graph differs from the others and why
Graph 1, doesn't pass vertical line test.
The statistic that measures the strength and direction of a linear relationship between 2 variables, commonly expressed as r
correlation coefficent
The slope of the line 2x-3y = 1
2/3
Solve |5-2x|-11=0
x=-3
x=8
Solve this equation: x2-8x+15=0
x=0
x=3
Where is the vertex located:
-12
The word used to describe this sequence: 2, 6, 18, 54, 162, ...
geometric
y-y₁=m(x-x₁) represents the formula...
point-slope
A false/non-functional solution in certain types of equations
extraneous
A worker gets an 8% pay raise. If she was paid $1000/month before, find her wage before the raise.
$925.93
In |x-1| - |x+1| when is the function increasing and decreasing and constant
(-∞,-1) increasing
(-1,1) decreasing
(1, ∞) increasing
The amount of air left in a container after a vacuum pump, which removes 60% of the air in a container after each pump, after 6 pumps
4.67%
Explicit formulas give the value of a term based on its position, while recursive formulas give the value of a term based on...
The previous term
The following represents what?
interval notation
The easiest way to solve this equation: x2-5x+6
factoring
What's the inverse of f(x) = 2x + 3
g(x) = (x - 3)/2