Should be the second one.
The coefficient of "-x" is: "-1" {"negative one"},
For "stand alone" variable, with coefficients of "1" or "-1", we often OMIT the "1" or "-1"; and just use the "+" (positive sign); or leave as written for positive;
and just use the " - " (negative sign; with the "1", for negative);
since any value multiplied by "1" is that same value; so the omitted "1" (or "-1"); in implied.
Answer:
Yes
Step-by-step explanation:
If the lines were vertical, the slope would be undefined (you can't divide by 0).
If the lines were otherwise, the lines have the same slope if they are parallel.
Answer: 60/12= 5
Step-by-step explanation:
Answer:
the dilation factor is 2 ... 19*2 = 38
Step-by-step explanation: