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Why do we set the denominator to zero to graph a rational function?
We set the denominator to zero to find the singularities: points where the graph is undefined.
How do you know if the slope is zero from a graph?
A line on a graph with zero slope is a horizontalline.' Y ' is the same number at every point on the line.
What are zero pairs?
A zero pair is an ordered pair of (0,0) located absolutely on the origin of a coordinate graph.
What is the point at which a graph intersects the y-axis?
A graph intersects the y-axis at the y-intercept; its x value is zero.
How can you identify a proportional linear relationship?
When either of the two variables is zero, the other must be zero. Also, every increase in one variable by some fixed amount must be accompanied by an increase in the other by the same amount each time. The two sets of increases may be different, though.Alternatively, the graph of the two variables must be a straight line in the first quadrant and must pass through the origin.
How can data be misrepresented in graphs?
If scales are too big, the right picture to represent an item displayed on a graph is not used, or if the graph doesn't start on zero, all are ways the data can be misrepresented!
Why the straight line in the graph does not start from zero?
There is no reason why any graph should start from any particular point.
Why the straight line in the graph doesn't start from zero?
Unless it is a direct proportion, the straight line does not have to start from zero.
Do graphs have to start at the number zero?
yes a graph has to start from a point 0.
To create a line graph do you have to start off at the zero?
Yes
If a straight line graph has a gradient of zero it must be horizontal?
120?
Why does the displacement time graph of free vibration system do not come zero while acceleration time graph comes zero?
Not true. If the graph starts with displacement = 0 when time = 0 then it must return to zero at time = half the period, and all multiples of that value. If the graph starts at some other value, it must return to zero within t = half the period, and then keep returning to zero after every half-period.
What is the two most used scales for using absolute zero?
The Kelvin and Celsius scales are the most used scales for absolute zero.
Do bar graphs start at the number zero?
A bar graph's data doesn't always start with zero but the scale on the y axis should. If you are not going to start the scale with zero then you have to put a squiggly line at the bottom to show that you skipped this space.
What is the zero of a function and how does it relate to the functions graph?
A zero of a function is a point at which the value of the function is zero. If you graph the function, it is a point at which the graph touches the x-axis.
What is the condition of the position-time graph when the velocity-time graph passes through zero?
As, in the velocity-time graph, curves passes through zero means 'when time is zero velocity is zero'. Velocity is time derivative of displacement. So displacement is maximum or minimum when time is zero in position-time graph.
What is the symbol name of when a graph does not start a 0?
The symbol used to indicate that a graph does not start at zero is typically referred to as a "break" symbol. This symbol, often represented as a zigzag line or a jagged line, indicates that a portion of the axis has been omitted, allowing for a more focused view of the data without starting at zero. It helps to visually convey that the scale of the graph has been adjusted for clarity.
