GRE考试

Theseexercisesaredesignedtohelpyouapplyt

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【分析解答题】
These exercises are designed to help you apply the mathematics concepts just covereD、They are not in GR
E、format, but should help you to identify your areas of strength and weakness.

Coordinate Geometry
These questions will test your knowledge of operations involving the equation and the slope of a line and distance and midpoint formulas.
Answer the following questions.
E、border=0 cellSpacing=0 cellPadding=0 width="100%">Solve for y if the distance between the two points (2,8) and (-6,y) is 17.
网考网解析:
试题答案: 答案解析:Use the Distance Formula to solve this problem. Because you are given the distance between the points, your equation will look like this: Square both sides and solve for Y2: 289=(-8)2+(y2-8) 2 289=(64)+(y 2 -8) 2 225=(y 2 -8) 2 15=y 2 -8 23=y 2 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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