Question

Given f(x) = –5x + 1, what is f(–2)?

Answer 1

Everywhere you see an x, replace it with -2 and evaluate

Answer 2

f(x) = –5x + 1

f(-2) = –5(-2) + 1

f(-2) = ???

Answer 3

f(-2) = 11?

Answer 4

good

Answer 5

One more?
What is the slope of the graph of 2x – 6y = 9?
@jim_thompson5910

Answer 6

are you able to isolate y?

Answer 7

No...

Answer 8

The first step is to move that 2x over

what can we do to both sides to get rid of it on the left side?

Answer 9

Subtract 9?

Answer 10

we want to get rid of the 2x on the left side

Answer 11

basically we want to replace 2x with 0 (so it goes away)