Write down in terms of n, an expression for the nth term of the following sequences:
a) 4 1 -2 -5 -8
b) -7 -12 -17 -22 -27​

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

In which form is the following function written? y = - 2(x – 3)(x + 5)

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?