Answer:
Starting from the origin go right 4 units in order to get 4 as your x value and then go down 3 units in order to get -3 as your y value.
Step-by-step explanation:
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A car can travel 580 miles on a full tank of gas. With four new eco-tires it can travel 630 miles. Find the percentage increase
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Looking at the graph, we can say that:
- It opens downward and has a maximum of 0.
- The axis of symmetry passes through the vertex (the maximum value in this case). So, the x-coordinate of the vertex is 4, and the axis of symmetry is:
- We conclude that the coordinates of the vertex are:
- The x-intercepts are defined as those points whose y-coordinate is 0. Similarly, the y-intercepts are those points of x-coordinate equal to 0. Looking at the graph, the vertex itself is the x-intercept, and y = -8 is the y-intercept.