Question

Use the rule y = -x + 7 to fill in the blank.

If (-1, y) is on the graph, then y =

Answer 1

Substitute x = -1 in the expression
And solve for y
Y = -(-1) + 7
Y = 1 + 7
Y = 8
Make sense?

Answer 2

\(\bbox[5pt,midnightblue]{\LARGE\color{yellow}{\star ^\bigstar Welcome~to~~os~ ^\bigstar \star}}\)

Answer 3

not really
I don't think that that is right,
but thanks anyway.