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Chapter 9: Q62. (page 533)

Graph each equation. Use the TRACE feature to find the vertex on the graph. Round to the nearest thousandth if necessary.

y=鈭�7x2+12x鈭�10

Short Answer

Expert verified

The vertex on the graph is 0.851,鈭�4.857.

Step by step solution

01

Step 1. Insert the provided into the calculator.

Take the help of a graphing calculator and pressY= after it insert the provided equation as Y1=鈭�7x2+12x鈭�10.

02

Step 2. Determine the graph of the provided equation.

Set the window of the calculator as,

Xmin=鈭�5Xmax=5Xscl=1Ymin=鈭�20Ymax=0Yscl=2Xres=1

After the setting of window, press GRAPH button to obtain the graph.

03

Step 3. Determine the required vertex.

Press TRACE button and use the arrow keys to determine the vertex.

The obtained graph represents the vertex as0.85106383,鈭�4.857402 which means that0.85106383,鈭�4.857402 is the required vertex.

The vertex of the graph after rounding to the nearest thousand is 0.851,鈭�4.857.

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