Answer:
Factor the numerator and denominator and cancel the common factors.
Exact Form:
2
3
√
3
−
3
√
18
Decimal Form:
0.26375774
I suggest using desmos (an app)
Answer:

Step-by-step explanation:
Given



Required
Determine the area of the triangle
The area is calculated using the following formula:

Where



Substitute right values in the given formula:






<em>Hence, the area of the triangle is 112.5</em>
Answer:
f(8) = -208
Step-by-step explanation:
Apply 8 into the equation
f(8) = -3(8)² - 2(8)
= -192 - 16
= -208
8 will be your x value since it's implied within the question itself.