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How many times does the graph of a quadratic equation (a parabola) cross the x-axis?
I know that the graph of a quadratic equation should cross the x-axis 2 times, because the polynomial equation of second degree should have two roots, however if the vertex of a parabola is the orgin itself, the two points are coincident,
But what if the roots are complex? How many times would the graph cross the x-axis.
Conditional Probability of Drawing Different Kinds of Cards. A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting
Prove that if f is continuous at all values of x then so is kf where k is a constant. Give an example of a function that is continuous at all non-integer values but is discontinuous at all integer values.
Decision analysis with sample information/expected value/utility analysis/quantitative methodsProblem:A television network has been receiving low ratings for its programs.
Use Excel to perform polynomial interpolation on the given data and try to figure out the degree of the polynomial mathematically - perform polynomial interpolation on the following data.
At the [I.CI level of significance, test the claim that the mean eight of women with Turner's syndrome is less than that of the general female population]
Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.
Among U.S. cities with a population of more than 250,000 the mean one-way commute to work is 24.3 minutes. The longest one-way travel time is New York City, where the mean time is 37.9 minutes.
Why does the graph of the basic exponential function lie entirely above the x-axis?
Is a directed graph weakly connected if there is a path from a to b and from b to a whenever a and b are vertices in the graph?
The fair price to play the game. A person spins the pointer and is awarded the amount indicated by the pointer. The wheel has three amounts to win
A package contains 9 candy canes, 6 of which are cracked. If 2 are selected, find the probability of getting no cracked candy canes.
Find the nearest distance using cosine rule - To the nearest KM, how far is the airplane from the airport?
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