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What is a graph made of only distinct points?
Scatter plot
Why do you think you only need two ordered pairs to graph these lines?
When you have two points of a line, you can connect the dots.
Are 2 points always collinear?
yes in mathematical world every solution have its graphical representation and its common sense that two points on a graph form only one line.......so two points are always colloinear.....!
Is a set of points in a coordinate plane the graph of a function if and only if no two points on the graph lie on the same horizontal line?
Of course not.The graph of [ f(x) = 4 ] is the straight line [ Y = 4 ] . . . a perfectly good function with all of its points on the same horizontal line.The graph of [ f(x) = x2 ] is the parabola with its nose at the origin and opening upwards. Another perfectly good function which has two points on every horizontal line [ Y = K ].In fact, I think probably every f(x) that has 'x to some power' in it always has at least two points on the same horizontal line.
What is the number of turning points in the graph of the function of x defined below y 2x2 5x - 7?
The following problem is a parabola so there is only one turning points so the answer is going to be: 2
