Stack #14806
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The y coordinate of the x intercept is | 0
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| The x coordinate of the y intercept is | 0
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| y = mx + b is a | linear function
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| slope equals | m
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| y intercept equals | b
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| the standard form of an equations is set to equal | 0
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| there are no ------- only whole numbers | fractions
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| the coefficient of the x term must be | positive
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| the coefficient of other terms can be | positive or negative
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| to get rid of fractions you must | multiply by the denominator
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| to solve for x | make y zero
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| to solve for y | make x zero
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| Linear Equation | any equation that has a degree of one and when graphed on a coordinate grid becomes a line
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| adding or subtracting the equations of a linear system | doesn't change the solution
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| sometimes to eliminate a variable you must | multiply be a constant
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| < means | less than
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| > means | greater than
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| < with a line underneath means | less than or equal to
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| > with a line underneath means | greater than or equal to
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| inequalities with only one variable can still be shown on a grid, but they will be | horizontal or vertical
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| y > means you | shade above the dotted line
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| y < means you | shade below the dotted line
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| y > or equal to means you | shade above the solid line
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| y < or equal to means you | shade below the solid line
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| a system of inequalities | can consist of two or more inequalities and the solution is the region where the corosponding half-plane is the intersect or overlap
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| normal shading | solution area is darkest
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| reverse shading | solution ares is lightest
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| in y=mx+b, m is the | slope
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| in y=mx+b, b is the | y intercept
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| the x intercept is where | the line crosses the x axis
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| the y intercept is where | the line crosses the y axis
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| a linear system | a set of two or more linear functions where the value of both x and y satisfy the two or more functions
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| the solution to a system of equations is | the point(s) of intersection
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| when you graph both equations the solution is | the point(s) of intersection
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| steps to solving problems with inequalities | 1. assign the variables, 2. note the implicite constraints, 3. write the inequalities and 4. qraph to solve
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| Raw Data | statistical information as it is collected and before it has been grouped in any way
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| Tabulated Data | statistical information that has been organized and ajusted in tabular form
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| Histogram | a graph where equal intervals are given io the x-axis or the y-axis and indicated by rectangles that are together and on these intervals
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| Frequency Polygon | line graph produced by joining the midpoints of the tops of the columns of a histogram
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| Ogive | a graph of cumulative frequency distribution and has the shape of an elongated "s"
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| Population Pyramid | two back to back, horizontal histograms with a common vertical axis, used to interpret how people of various ages live
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| Multiple Line Graph | two or more line graphs used to compare one comodity with another
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| Stacked Bar Graph | bar graph with two or more stacks used to compare data
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| Circle Graph / Pie Chart | circular graph used to chow tho relation of one part to another and to the part as a whole
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| Graphs compare... | relationships between sets of quantities
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| Why do we display data in bar graphs? | so that a large amount of data can be displayed in a short time period
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| what do bar graphs compare? | two at more things that are simmilar
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| What is the difference between a histogram and a bar graph? | a histogram has no spaces between the bars but a bar graph has spaces
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| in a line graph, why are the points connected? | to show trends in the data
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| ina line graph only the points are ____________ | actual values
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| Time related graphs | their quantities depend on time
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| Interpolation | estimation of a value between two points on the graph
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| Extrapolation | estimation of a value beyond tho plottred points on the graph
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| Discrete Data | can be counted using whole #'s. produces a graph with points not joined
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| Continuous Data | allows for comtinuous cange such as volume or speed. produces graphs joined together
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| salary | a fixed amount of money earned over a specific period of time
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| wage | money earned daily or hourly
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| commission | earnings based on a percent of an employee's salary durring the pay period
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| graduated commision | earnings based on commission; increases or decreases when sales reach a certain level
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| piecework | earnings bassed on the number of items produced
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| bi-weekly | once every two weeks - 26 times per year
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| semi-monthly | twice each month - 24 times per year
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| weekly | 52 times per year
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| monthly | 12 times per year
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| annually | once par year
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Created by:
Tigger 27
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