I think you mean x^2 - 7x + 8
This is a basic factoring problem:
What two numbers multiply to make 8 and add to make -7?
There are no two numbers that work!
Therefore, it is prime
Answer:
y=mx+b is the formula starting with b say it is 4 you put a dot on 4 on the y axis m is 1/2 you go up 1 right 2 on the 4 points then do the same on the next point you get then you get your line. hope this helps
Answer: -51 my friend
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
15 - 9
X + 3x = 90 degrees
4x = 90
x = 22.5 degrees