(x, y) on the graph, the point (-x, y) is also on the graph. Notice that the graph of y = |x| is symmetric in the y-axis because for every point The corner point of the graph, called the occurs at the origin. The graph of this piece wise function consists of two rays, is V-shaped, and opens up. The vertex of the above function is ( –1, 3 ) !!! What is being added or subtract from the absolute value group?Īnswer: + 3 (this is the value of y for the vertex)
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What would x have to be to get the value of zero inside the absolute value?Īnswer: x = –1 (this is the value of x for the vertex) The vertex form is intended to find the vertex of the graph and whether is faces upward or downward, and the width or narrowness of the v, also the corresponding points. Khan Academys Algebra 1 course is built to deliver a comprehensive.
The graph of the absolute value function f ( x) = | x| is similar to the graph of f ( x) = x. 2 Solving Inequalities Algebra 1 answers to Chapter 6 - Systems of Equations and.
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