Ch 7 Math Vocab
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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| Equations of Horizontal and Vertical Lines | If y= constant, the graph is a horizontal line
If x= constant, the graph is a vertical line
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| Solution, Equation Containing two Variables | When an equation with two variables is an ordered pair that makes the equation a TRUE statement
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| Substitution | A method of solving a system of equations by solving one equation to get one of the variables and substituting the result in the other equation
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| X- axis and Y- axis | The two number lines
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| Ordered Pair | (number, number)
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| Slope | The ratio of a line
rise
----
run
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| System of Equations | two or more equations with the same variables
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| Linear Combination or Addition- Subtraction | The result after multiplying two quantities by a constant, then adding the results
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| Scale | Putting a number every 5 units on the two axes
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| Graph | The point on the plane
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| Quadrants | The axes divide the graph paper into four regions
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| Slope of Horizontal Lines | 0
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| Slope of Vertical Lines | No slope
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| Abscissa | The first number in an ordered pair
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| Point - Slope form of a Linear Equation | An equation in the form y-y1=m(x-x1)
The slope is m, and a fixed point on the other line is (x,y). The variables x and y stand for coordinates of a variable on the line
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| Y-Intercept | The value of y when x is 0
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| X-Intercept | The value of x when y is 0
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| Slope- Intercept Form | An equation of the form y=mx+b, where m and b are constants
-The constant m is the slope
-The constant b is the y-intercept
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| Solution of a System | An ordered pair that satisfies ALL the equations in the system
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| Solution Set | The set of all solutions to an equation
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| Coordinates | To gather the two numbers (number,number) which create a point in a plane
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| Cartesian Coordinate System | The whole system- x-axis, y-axis, points on the plane; named after Rene Descartes
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| Run | The change in x when going from one point to another on the Cartesian Coordinate System
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| Rise | The change in y when going from one point to another on the Cartesian Coordinate System
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| Ordinate | The second number in an ordered pair
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| Simultaneous Equations | Equations in a system that can be solved at the same time
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mthibault
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