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 function \( f \) is defined by \( f\left(x\right)=\frac{1}{10}x-2 \) . What is the y-intercept of the graph of \( y=f\left(x\right) \) in the xy-plane?
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・斜率与截距挑战
If the graph of \( 27x+33y=297 \) is shifted down 5 units in the xy-plane, what is the y-intercept of the resulting graph?
原库参考解析
直线方程・斜率与截距挑战
The function \( f \) is defined by \( f\left(x\right)=\frac{1}{10}x-2 \) . What is the y-intercept of the graph of \( y=f\left(x\right) \) in the xy-plane?
原库参考解析
直线方程・斜率与截距挑战
The graph shows the relationship between the number of shares of stock from Company A, x, and the number of shares of stock from Company B, y, that Simone can purchase. Which equation could represent this relationship?
原库参考解析
直线方程・斜率与截距基础
\( h\left(x\right)=x+b \)
For the linear function ℎ, b is a constant and ℎ(0) = 45. What is the value of b?
原库参考解析
直线方程・斜率与截距基础
What is the equation of the line that passes through the point (0, 5) and is parallel to the graph of \( y=7x+4 \) in the xy-plane?
原库参考解析
直线方程・斜率与截距挑战
The table gives the coordinates of two points on a line in the xy-plane. The y-intercept of the line is \( \left(k-5,\ b\right) \), where k and b are constants. What is the value of b?
原库参考解析
直线方程・斜率与截距挑战
\( 5x+7y=1 \)
\( ax+by=1 \)
In the given pair of equations, a and b are constants. The graph of this pair of equations in the xy-plane is a pair of perpendicular lines. Which of the following pairs of equations also represents a pair of perpendicular lines?
原库参考解析
直线方程・斜率与截距挑战
The function ℎ is defined by \( h\left(x\right)=4x+28 \). The graph of \( y=h\left(x\right) \) in the xy-plane has an x-intercept at \( \left(a,\ 0\right) \) and a y-intercept at \( \left(0,\ b\right) \) , where a and b are constants. What is the value of \( a+b \) ?
原库参考解析
直线方程・斜率与截距挑战
ax + by = b
In the equation above, a and b are constants and 0< a < b. Which of the following could represent the graph of the equation in the xy-plane?
原库参考解析
直线方程・斜率与截距挑战
The points plotted in the coordinate plane above represent the possible numbers of wallflowers and cornflowers that someone can buy at the Garden Store in order to spend exactly $24.00 total on the two types of flowers. The price of each wallflower is the same and the price of each cornflower is the same. What is the price, in dollars, of 1 cornflower?
原库参考解析
