Answer: 2
Step-by-step explanation:
The slope of a line is (rise over run)
This means for every point you must go up/down to get your next point you divide it by every point you go right/left.
From one point to the next it goes up 2 (rise) and right 1 (run)
so that is your slope
Answer:
you will know because it you do the system of whatever thingy and there are no two dots in the same row and the line is straight in either a negative or positive slope at a diagonal the equation is linear and its a function.
Step-by-step explanation:
The image is an example of a linear equation that is both a function and positive lenear
Answer:
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years
Step-by-step explanation:
Let age of Mark be years.
Mark's dad is three times older than Mark
Age of her Mark's dad
Mark's sister is 2 years younger than Mark
Age of Mark's sister years
The sum of their ages is 48.
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years