X^2 + 3x - 6
This is because x^2 and 3x have nothing they can combine with, leaving them as their own number. 1 + - 6 will give you -5 as adding to a negative only reduces not adds entirely.
Hope this helps!
12 sqrt 28
The square root of 28 can be broken up into:
sqrt 7 * sqrt 4
Simplify the square root of 4:
sqrt 7 * 2
12 * 2 * sqrt 7
24 * sqrt 7
24 sqrt 7
The answer is D, since rise 2 run 1, and y intercept 2.
Answer: Decimal Form: 4.47213595
…