GED Math 04 – Slope, Coordinates, Functions & Graphs

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Last updated 1:35 PM on 10/15/26
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30 Terms

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Slope

/sloʊp/ 斜率;Find the slope of the line. 求这条直线的斜率。

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Coordinate

/koʊˈɔːrdɪnət/ 坐标;Identify the coordinates of point A. 找出A点的坐标。

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Coordinate Plane

/koʊˈɔːrdɪnət pleɪn/ 坐标平面;Plot the point on the coordinate plane. 在坐标平面上标出这个点。

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Ordered Pair

/ˈɔːrdərd per/ 有序数对;The ordered pair (3, 5) represents a point. 有序数对(3, 5)表示一个点。

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X-axis

/ˈeks ˌæksɪs/ x轴;横轴;The x-axis is horizontal. x轴是水平的。

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Y-axis

/ˈwaɪ ˌæksɪs/ y轴;纵轴;The y-axis is vertical. y轴是垂直的。

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Origin

/ˈɔːrɪdʒɪn/ 原点;The origin is located at (0, 0). 原点位于(0, 0)。

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Quadrant

/ˈkwɑːdrənt/ 象限;The point (-2, 4) is in Quadrant II. 点(-2, 4)位于第二象限。

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Horizontal

/ˌhɔːrɪˈzɑːntəl/ 水平的;Draw a horizontal line through y = 3. 画一条经过y = 3的水平线。

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Vertical

/ˈvɜːrtɪkəl/ 垂直的;The line x = 4 is vertical. 直线x = 4是垂直的。

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Rise

/raɪz/ 上升量;纵向变化;Find the rise between the two points. 求两个点之间的纵向变化量。

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Run

/rʌn/ 水平变化量;Divide the rise by the run to find the slope. 用纵向变化量除以水平变化量求斜率。

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Intercept

/ˈɪntərsept/ 截距;Find the intercept of the line. 求这条直线的截距。

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Y-intercept

/ˈwaɪ ˈɪntərsept/ y轴截距;The y-intercept is 5. y轴截距是5。

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X-intercept

/ˈeks ˈɪntərsept/ x轴截距;Find the x-intercept of the graph. 求图像的x轴截距。

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Graph

/ɡræf/ 图像;图表;Which graph represents the equation? 哪个图像表示这个方程?

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Plot

/plɑːt/ 描点;标出;Plot the point (2, -3). 在坐标平面上标出点(2, -3)。

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Line

/laɪn/ 直线;The line passes through two points. 这条直线经过两个点。

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Linear Function

/ˈlɪniər ˈfʌŋkʃən/ 线性函数;The graph shows a linear function. 这个图像表示一个线性函数。

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Function

/ˈfʌŋkʃən/ 函数;Determine whether the relation is a function. 判断这个关系是否为函数。

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Input

/ˈɪnpʊt/ 输入值;The input value is 3. 输入值是3。

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Output

/ˈaʊtpʊt/ 输出值;Find the output when x = 4. 求x = 4时的输出值。

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Domain

/doʊˈmeɪn/ 定义域;Find the domain of the function. 求这个函数的定义域。

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Range

/reɪndʒ/ 值域;Determine the range of the function. 确定这个函数的值域。

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Rate of Change

/reɪt əv tʃeɪndʒ/ 变化率;Find the rate of change from the table. 根据表格求变化率。

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Increasing

/ɪnˈkriːsɪŋ/ 递增的;上升的;The function is increasing as x increases. 随着x增大,这个函数的值也增大。

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Decreasing

/dɪˈkriːsɪŋ/ 递减的;下降的;The graph is decreasing from left to right. 图像从左到右呈下降趋势。

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Parallel

/ˈperəlel/ 平行的;Parallel lines have the same slope. 平行直线具有相同的斜率。

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Perpendicular

/ˌpɜːrpənˈdɪkjələr/ 垂直的;成直角的;The two lines are perpendicular. 这两条直线互相垂直。

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Slope-intercept Form

/sloʊp ˈɪntərsept fɔːrm/ 斜截式;Write the equation in slope-intercept form. 把方程写成斜截式。