5272道题目5525 条题源记录 · 相同内容已合并
直线方程・斜率与截距进阶
Line p is defined by 4y + 8x = 6. Line r is perpendicular to line p in the xy-plane. What is the slope of line r?
原库参考解析
直线方程・斜率与截距基础
| x | f(x) |
| 0 | 29 |
| 1 | 32 |
| 2 | 35 |
For the linear function f, the table shows three values of x and their corresponding values of f(x). Which equation defines f(x)?
原库参考解析
直线方程・斜率与截距基础
The function f is defined by f(x) = 7x -84.What is the x-intercept of the graph of y = f(x) in the xy-plane?
原库参考解析
直线方程・斜率与截距基础

What is the y-intercept of the graph shown?
原库参考解析
直线方程・斜率与截距挑战
| x | y |
| k | 13 |
| k + 7 | -15 |
The table gives the coordinates of two points on a line in the xy-plane. The y-intercept of the line is (k - 5,b), where k and b are constants. What is the value of b?
原库参考解析
直线方程・斜率与截距进阶
In the xy-plane, the graph of the linear function f contains the points (0, 2) and (8, 34). Which equation defines f, where y= f(x)?
原库参考解析
直线方程・斜率与截距进阶
The function h is defined by h(x)= 4x + 28. The graph of y= h(x) in the xy-plane has an x-intercept at (a, 0) and a y-intercept at (0, b), where a and b are constants. What is the value of a + b?
原库参考解析
直线方程・斜率与截距进阶
A line in the xy-plane has a slope of
原库参考解析
直线方程・斜率与截距基础

The graph shows the linear relationship between x and y. Which table gives three values of x and their corresponding values of y for this relationship?
原库参考解析
直线方程・斜率与截距基础

What is the y-intercept of the graph shown?
原库参考解析
直线方程・斜率与截距进阶
| x | 10 | 15 | 20 | 25 |
| f(x) | 82 | 137 | 192 | 247 |
The table shows four values of x and their corresponding values of f(x). There is a linear relationship between x and f(x) that is defined by the equation f(x) = mx - 28, where m is a constant. What is the value of m?
原库参考解析
直线方程・斜率与截距进阶
The graph of 9x - 10y = 19 is translated down 4 units in the xy-plane. What is the x-coordinate of the x-intercept of the resulting graph?
原库参考解析
