百度试题 结果1 题目What is the equation of a line with a slope of 2 and a y-intercept of -3? A. y = 2x - 3 B. y = -2x + 3 C. y = 2x + 3 D. y = -2x - 3 相关知识点: 试题来源: 解析 A 二、填空题 反馈 收藏 ...
正确答案: First, rearrange the equation into slope-intercept form, by subtracting 3x and-y from both sides: y=-3x+2 For two lines to be perpendicular, their slopes must be negative reciprocals. The negative reciprocal of-3 is 1/3. The problem also states that the perpendicular line has ...
What is the equation of a line whose slope is − 2 and whose y‑intercept is3?A:y=3x−2B
结果1 题目 The equation of a line is y=23x-6. What is the equation of a line perpendicular to this line and with the same y-intercept? () A. y=23x+6 B. y=23x-16 C. y=32x-6 D. y=-23x+6 E. y=-32x-6 相关知识点: 试题来源: 解析 E 反馈 收藏 ...
What is the equation of a line that crosses the y -axis at {eq}(0, -3) {/eq} and has a slope of {eq}4? {/eq}Slope-Intercept Form:The y-intercept, {eq}k {/eq} has the coordinates of the point on the line that intersects the y-axis and has t...
百度试题 结果1 题目What is the equation of the line?(=1/3 2B. y=x+2C.y=-3x+2D.g=1/2 相关知识点: 试题来源: 解析 C 反馈 收藏
(1)y=12x+2(2)4(1)Assume that the equation of the line a is y=kx+b, and the line a passes points A (−2,1) and B (2,3),{1=−2k+b3=2k+b,thus, ⎧⎨⎩k=12b=2.∴ The equation is y=12x+2.(2)When y=0, x=−4.∴ The coordinate of point C is (−4,...
( )A. y=-x+2B. y=-x-2C. y=x-2D. y=x+2 答案 D相关推荐 1What is the equation of the line that passes through the points (-3,-1) and (1,3)? ( )A. y=-x+2B. y=-x-2C. y=x-2D. y=x+2 反馈 收藏
百度试题 结果1 题目.What is the equation of the line that passes through the point (2, -3) and has a slope of -1?A.y+x=-1B. y-x=-1C. y-x=1D.y+x=1 相关知识点: 试题来源: 解析 A 反馈 收藏
结果1 题目【题目】What is the equation of the line that passes through the point (8,-3) and is perpendicular toA. y=-3/2x+9B y=-2/3x+7/3C. y=-3/2x-15D. y=-1/2x+1 相关知识点: 试题来源: 解析 【解析】A 反馈 收藏