The equation of a line is y = 2x + 3. What's the slope of the line? A. 2 B. 3 C. 5 D. 7 相关知识点: 试题来源: 解析 A。本题考查直线方程的斜率。在 y = kx + b 中,k 就是斜率,所以本题斜率是 2,答案是 A。B 选项是常数项不是斜率;C 选项和 D 选项都不是该直线...
题目 一道GRE数学题in the xy-plane what is the slope of the line whose equation is 3x-2y=8In the xy-plane what is the slope of the line whose equation is 3x-2y=8 相关知识点: 试题来源: 解析3x-2y=8=>2y = 3x - 8=>y = (3/2) x - 4斜率是3/2...
What is the slope of the line x=4?相关知识点: 试题来源: 解析 This equation represents a vertical line; the y-intercept is 0, so the line is parallel to the y-axis. A vertical line has an undefined slope, because the denominator is 0. null...
The Slope of a Line In mathematics, the slope of a line in the equationy=mx+cis identified by the constantm. The other constant,c, represents the y-intercept. Answer and Explanation:1 The equation in our question is: 3x−2y=12 ...
百度试题 结果1 题目Find the slope of the line whose equation isy=−2x−4. 相关知识点: 试题来源: 解析 −2 −2 反馈 收藏
What is a point-slope equation of the line with slope -12 that goes through the point (5,3)? ( ) A. y-3=-12(x-5) B. y+3=12(x+5) C. y+3=-12(x+5) D. y-3=12(x-5) 相关知识点: 试题来源: 解析 A 反馈 收藏
Which of the following is an equation of a line whose slopes is twice the slope of the line whose equation is 2x−y=3( ).A.4x−y=3B.2x−2y=3C.4x−2y=6D.2x−2y=6 答案 ARewrite 2x−y=3 as y=2x−3, Its slope is 2, Rewrite each choice in the form y=mx+b, Cho...
百度试题 结果1 题目If the equation of a line is y = 2x + 3, what is the slope of the line? A. 2 B. 3 C. 5 D. 7 相关知识点: 试题来源: 解析 A。直线方程 y = kx + b 中,k 为斜率,所以此直线斜率为 2。反馈 收藏
5. What is the slope of the line passing through (-3, -4) and the origin A.3/7 B. 4/7 C. 3/4 D.1 E.4/3 6. Which line perpendicularly meets line x+2y =4 on the y-axis? A. y=x+2 B. y=x-2 C. y=2x-2
【题目】Find the slope of the tangent line to the equation In(z)-π/4=arctan(y) at the poi