The slope of the given line is . One slope triangle is shown. Another slope triangle with a ratio of the rise to the run of
has vertices at ​(​,​) and . Find the coordinates of the third vertex

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )