Mindi is Simplifying the expression 9 - 5x + 8 - 4x. Here is her work: 9 - 5x + 8 - 4x

9 - 9x +8

0 + 8

8

Mindi's work is incorrect. Explain the error she made.

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

For which pair of functions is (gof)(a)=|a|-2?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !