Key Features
A parabola has a maximum when...
The vertex is at the top.
In slope-intercept form y=mx+b, which variable represents the slope/rate of change?
Slope = m
The domain focuses on the...
x-values.
x-axis.
I know a system has one solution when...
The lines intersect(cross).
A table represents a function if...
the x-values don't repeat.
Which of the points are possible y-intercepts?
(Answer with ALL that apply.)
a) (2,0)
b) (0,2)
c) (1,1)
d) (0,0)
b and d
The formula to compute rate of change by hand is...
(y2-y1) divided by (x2-x1)
The range focuses on the...
y-values.
y-axis.
I know a system has no solution when...
The lines are parallel (never cross).
A table does not represent a function if...
the x-values repeat.
Two words that mean the same as the x-intercepts are...
Zeros and Solutions
or
Zeros and Roots
or
Roots and Solutions
The slope of the line y=6x+23 is...
6
A function starts at the point (0,0) and ends at (25, 68) both point are closed circles. The domain is...
All real numbers greater than or equal 0 and less than or equal 25.
or
0<=x<=25
I know a system has infinitely many solution when...
The lines overlap (same line).
The following table (is or is not) a function?
x 1 2 3 4 5
y 2 3 2 3 7
It is a function.
The y-intercept of the exponential function y=5(0.3)^x is...
5
The rate of change of the function containing the points (2,3) and (4,6) is...
(in simplest form)
3/2
A function starts at the point (0,0) and ends at (25, 68) both point are closed circles. The range is...
All real numbers greater than or equal 0 and less than or equal 68.
or
0<=y<=68
To find the solution to a system I need to...
Get the point where the lines intersect (cross).
The following table (is or is not) a function?
x -3 2 3 4 -5
y 2 1 9 3 7
It is a function.
The axis of symmetry of a parabola/quadratic function is always in the form...
x equals a number.
The rate of change of the function containing the points (-1,4) and (4,14) is...
(in simplest form)
2
A function has a domain of -2 <= x < 5.
What is the domain in words?
(Your answer must match exactly to the answer.)
All real numbers greater than or equal -2 and less than 5.
What sports call (hand signal) looks like a system with no solutions?
Football - Touchdown
Basketball - 3 Pointer
Volleyball - Blocking Call or Screening
Soccer - Substitution (with flag)
Baseball - Foul Ball, Time Out, Dead Ball
The following table (is or is not) a function?
x 8 6 4 2 6 1
y 6 3 2 4 7 0
It is not a function.