What does the line 5x+4y = -6 look like?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0