Solve problems in moving straight ahead
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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| Why is Y=3X+2 a Linear Relationship? | Y=3X+2 is a Linear Relationship because when using the equation, every time X goes up by one, Y will go up by 3, starting with 2.
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| Why is Y=X*X not a linear relationship? | Y=X*X is not a linear relationship because X*X is basically X squared, and if it has an exponent it is a quadratic equation instead of a linear equation
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| Is (1,2) (2,4) (3,6) a linear relationship? Why? | It is a linear relationship because every time the X goes up by one, the Y goes up by 2.
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| Is (1,2) (3,5) (4,7) a linear relationship? Why? | It is not a linear relationship because X and Y don't go up by the same number every time.
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| Find the rate of change for (-1,5) (-2,-3). | The rate of change for (-1,5) (-2,-3) is 8.
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| Find the rate of change for (-4,-1) (-1,-1). | The rate of change for (-4,-1) (-1,-1)
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| What are linear relationships? | Linear relationships are relationships between X and Y that are represented by straight lines on graphs or equations like Y=X2
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| Is Y=X5 a linear relationship? | Yes, every time X increases by one, Y increases by 5
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| Is Y=X9.4+3 a linear relationship? | Yes, every time X increases by one, Y increases by 9.4, starting with 3 instead of 0
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| What is the difference between a linear relationship and a linear function? | There is no difference between a linear relationship and a linear function, they mean the exact same thing.
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| What is a coefficient? | A coefficient is a number multiplied by a variable in an equation, like the 10 in Y=10X+4.
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| What is a constant? | A constant is a number in an equation that is either added or subtracted from a variable, like the 4 in Y=10X+4.
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| What is a point of intersection? | A point of intersection is the point where two lines cross, or intersect.
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| What is an X-intercept? | An X-intercept is the point where a line crosses the X axis.
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| What is a Y-intercept? | A Y-intercept is the point where a line crosses the Y axis.
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| What is a run? | A run is the horizontal change between two points on a graph.
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| What is a rise? | A rise is the vertical change between two points on a graph.
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| What is the point of origin? | The point of origin is the point labeled (0,0), or the point in the center of the coordinate plane.
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| Why is Y=6X a linear relationship? | Y=6X is a linear relationship because every time 6 goes up by 1, Y goes up by 6.
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| Is Y=3.5X-4 a linear relationship? Why or why not? | Y=3.5X-4 is a linear relationship because every time X goes up by 1, Y goes up by 3.5, starting with -4.
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| Is Y=2X a linear relationship? Why or why not? | Y=2X is a linear relationship because X goes up by 1 as Y goes up by 2.
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| Is Y=6X a linear relationship? Why or why not? | Y=6X is a linear relationship because X goes up by 1 as Y goes up by 6.
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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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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.
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:
Esigmund
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