The ratio of grade 7's to grade 8's is 5:3. If there
1 answer:
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Answer:
Step-by-step explanation:
Just plug these points into the slope formula
A: (3,-1) =
B: (-1/3, 2) =
Now solve.
Simplify the numerator by changing the negative and minus to positive:
This simplifies now to 3.
The denominator needs to be simplified by finding a common denominator.
The 3/1 needs to be multiplied by 3 on the top and bottom to get.
Now with a common denominator we can subtract:
Now we can put our simplified denominator and numerator back together.
Now KCF, keep change flip.
Now multiply across.
This is the final answer as it cannot be simplified any further.