91Ó°ÊÓ

Find the equation of the line using the point-slope formula. Write all the final equations using the slope-intercept form. \(x\) -intercept is \(1,\) and \((-2,6)\)

For the following exercises, solve the radical equation. Be sure to check all solutions to eliminate extraneous solutions. $$ \sqrt{t+1}+9=7 $$

For each of the following exercises, find the coordinates of the midpoint of the line segment that joins the two given points. $$(-5,-3)\text { and }(-2,-8)$$

Solve the quadratic equation by completing the square. Show each step. $$ x^{2}-9 x-22=0 $$

For the following exercises, use this scenario: A truck rental agency offers two kinds of plans. Plan A charges \(\$ 75 / \mathrm{wk}\) . plus \(\$ .10 / \mathrm{mi}\) driven. Plan B charges \(\$ 100 / \mathrm{wk}\) plus \(\$ .05 \mathrm{mi}\) driven. Write the model equation for the cost of renting a truck with plan B.

For the following exercises, describe all the \(x\) -values within or including a distance of the given values. Distance of 3 units from the number 9

Find the equation of the line using the point-slope formula. Write all the final equations using the slope-intercept form. \(y\) -intercept is \(2,\) and \((4,-1)\)

For each of the following exercises, find the coordinates of the midpoint of the line segment that joins the two given points. $$(0,7)\text { and }(4,-9)$$

For the following exercises, solve the radical equation. Be sure to check all solutions to eliminate extraneous solutions. $$ \sqrt{12-x}=x $$

For the following exercises, perform the indicated operation and express the result as a simplified complex number. $$ (-1+2 i)(-2+3 i) $$