Answer:

Step-by-step explanation:
Hello!
A trinomial is a expression consisting of three different terms
To turn this into a trinomial we multiply everything to each other
<u> 3x </u>
3x * x = 
3x * 10 = 30x
<u> 8 </u>
8 * x = 8x
8 * 10 = 80
Now we put them all together in an equation

Combine like terms

The answer is 
Hope this helps!
Answer:
point of intercept
Step-by-step explanation:
measure x and y axis to see where they cross
Yes, as long as it's between the two numbers
51) -4 and 1
52) -1 and -3
53) -9 and -10