Write an equation of the line perpendicular to the given line that contains P. P(4, - 8); y = 7x+1

Write an equation for the line in point-slope form.


What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

What signals you that factoring by grouping is the best method to use when factoring a problem?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?