average
compute the typical level of a group of people or things
The rate the boat traveled in still water was r miles per hour, and the current's
average speed was c miles per hour.
equation
a mathematical statement that two expressions are the same
Which of the following
equations can be used to represent this information?
represent
express indirectly by an image, form, or model
Which of the following equations can be used to
represent this information?
equivalent
being essentially equal to something
Which set is
equivalent to ...?
simplify
make easier or reduce in complexity or extent
Charlie needs to
simplify the expression below before he substitutes the values for x and y.
expression
a group of symbols that make a mathematical statement
Charlie needs to simplify the
expression below before he substitutes the values for x and y.
substitute
put in the place of another
Charlie needs to simplify the expression below before he
substitutes the values for x and y.
value
a numerical quantity measured or assigned or computed
Charlie needs to simplify the expression below before he substitutes the
values for x and y.
slope
be at an angle
What is the
slope of the line defined by the equation 8x plus 2y equals 5?
function
a mathematical relation associating elements between sets
Which equation represents p as a
function of d?
plot
make a drawing that shows interactions among variables
Then, for the next five days, she measured the height, in centimeters, of each plant and
plotted the values on the graph below.
mean
an average computed by adding some function of the numbers
She drew a line of best fit passing through points (1,1) and (5,7) on the graph to show one way of calculating the
mean growth rate of the plants.