5272道题目5525 条题源记录 · 相同内容已合并
直线方程・斜率与截距基础
The table shows four values of x and their corresponding values of y. There is a linear relationship between x and y. Which of the following equations represents this relationship?
参考答案
直线方程・斜率与截距基础
What is the y-coordinate of the y-intercept of the graph shown?
参考答案
直线方程・斜率与截距进阶
Line k is defined by \( y=-\frac{10}{3}x+3 \). Line j is perpendicular to line k in the xy-plane. What is the slope of line j?
参考答案
直线方程・斜率与截距挑战
There is a linear relationship between the amount of salt x, in grams, and the amount of water y, in liters, in a certain body of seawater. The table shows this relationship for three samples of this seawater.
Which equation represents this relationship?
Which equation represents this relationship?
参考答案
直线方程・斜率与截距进阶
For the linear function \( f \), the table shows three values of x and their corresponding values of \( f(x) \). Which equation defines \( f \)?
参考答案
直线方程・斜率与截距进阶
Line k is defined by \( y=2x+17 \). Line j is perpendicular to line k in the xy-plane. What is the slope of line j?
参考答案
直线方程・斜率与截距基础
The graph of \( 5x+y=12 \) in the xy-plane is a line. What is the slope of the line?
参考答案
直线方程・斜率与截距挑战
Line j in the xy-plane passes through the points \( \left(\frac{47}{k},-\frac{2}{k}+\frac{4}{47}\right) \) and \( \left(\frac{94}{k},-\frac{4}{k}+\frac{4}{47}\right) \), where k is a constant. What is the slope of line j?
参考答案
直线方程・斜率与截距进阶
\( f\left(x\right)=-10x+b \)
For the linear function\( f \), b is a constant and\( f\left(\frac{2}{5}\right)=-53 \). What is the value of b?
原库参考解析
直线方程・斜率与截距进阶
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
Line r is defined by the equation \( 6x-5y=6 \). Line s is parallel to line r in the xy-plane. What is the slope of line s?
原库参考解析
直线方程・斜率与截距进阶
The table shows three values of x and their corresponding values of y. There is a linear relationship between x and y. What is the y-coordinate of the y-intercept of the line in the xy-plane that represents this relationship？
原库参考解析
