找到你今天要练的题。

Line \( k \) is defined by \( y=4x+\frac{1}{2} \). Line j is perpendicular to line \( k \) in the xy-plane. What is the slope of line \( j \)?

Line k is shown in the xy-plane. Line j (not shown) is perpendicular to line k and passes through the point (7, 15). What is the y-coordinate of the y-intercept of line j?

For the linear function r, the table shows three values of x and their corresponding values of r(x). Function r is defined by \( r(x)=ax+b \), where a  and b are constants. What is the value of \( a+b \)?

For the linear function g, the graph of \( y=g(x) \) in the xy-plane has a slope of 3 and passes through the point (2, 28). Which equation defines g?

In the xy-plane, line s passes through the point (0, 0)  and is parallel to the line represented by the equation \( y=42x+6 \). If line s also passes through the point (4, d), what is the value of d?

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?

What is an equation of the graph shown?

For a linear relationship between x and y, the table gives three values of x  and their corresponding values of  y . Which equation represents this relationship?

The function \( f \) is defined by \( f(x)=98x \). What is the slope of the graph of \( y=f(x) \)  in the xy-plane?

The graph of the linear function \( f \) is shown, where \( y=f(x) \). What is the y-intercept of the graph of \( f \)?

For the linear function p, \( p(c)=-2 \) , where c is a constant,  \( p(5)=34 \), and the slope of the graph of \( y=p(x) \) in the xy-plane is 6. For the linear function t, \( t(c)=-4 \) and \( t(6)=52 \). What is the slope of the graph of  \( y=t(x) \) in the xy-plane?

What is the slope of the graph of  \( y=\frac{1}{4}(27x+12)+7x \) in the xy-plane?