91Ó°ÊÓ

11–18 ? Find the x- and y-intercepts of the graph of the equation. $$ y=x-3 $$

1–12 ? Write an equation that expresses the statement. \(R\) is proportional to \(i\) and inversely proportional to \(P\) and \(t.\)

Determine an appropriate viewing rectangle for the equation and use it to draw the graph. $$ y=\sqrt{12 x-17} $$

\(7-14\) A pair of points is graphed. (a) Plot the points in a coordinate plane. (b) Find the distance between them. (c) Find the midpoint of the segment that joins them. $$ (-1,6),(-1,-3) $$

1–12 ? Write an equation that expresses the statement. \(A\) is jointly proportional to the square roots of \(x\) and \(y.\)

11–18 ? Find the x- and y-intercepts of the graph of the equation. $$ y=x^{2}-5 x+6 $$

\(7-14\) A pair of points is graphed. (a) Plot the points in a coordinate plane. (b) Find the distance between them. (c) Find the midpoint of the segment that joins them. $$ (3,4),(-3,-4) $$

13–22 ? Express the statement as an equation. Use the given information to find the constant of proportionality. \(y\) is directly proportional to \(x .\) If \(x=6,\) then \(y=42.\)

11–18 ? Find the x- and y-intercepts of the graph of the equation. $$ y=x^{2}-9 $$

13–22 ? Express the statement as an equation. Use the given information to find the constant of proportionality. \(z\) varies inversely as \(t .\) If \(t=3,\) then \(z=5.\)