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What is the other term for the straight line in a cartesian plane?
A straight line on the Cartesian plane is the graph of a linear equation.
What is the graph of an arithmetic sequence whose first term is 1 and whose common difference is 0.5?
The graph will be a set of disjoint points with coordinates [n, 0.5*(1+n)]
The constant term in the slope-intercept equation for a line determines the?
y intercept
What term describes a function whose graph is composed of isolated points?
A graph that has isolated points is discontinues if isolated means that a point is plotted say a but the limit as f(x) approaches a does not equal a
What does changing the a variable do to the graph of a quadratic?
I assume this question refers to the coefficient of the squared term in a quadratic and not a variable (as stated in the question). That is, it refers to the a in ax2 + bx + c where x is the variable.When a is a very large positive number, the graph is a very narrow or steep-sided cup shape. As a become smaller, the graph gets wider until, when a equals zero (and the equation is no longer a quadratic) the graph is a horizontal line. Then as a becomes negative, the graph becomes cap shaped. As the magnitude of a increases, the sides of the graph become steeper.
