I'm going to assume you've learn sin, cos, and tan. To find a you must do:

Once you find a, you can use the Pythagorean Theorem to find b:

Or you can do:

You can find these functions on a scientific calculator. Let me now if you need more help.
1. The status of a statement as either true or false is Truth value.
2. A logical statement that is broken down into two parts, the hypothesis and the conclusion is Conditional statement.
3. The “if” portion of your conditional statement; what your conditional statement is about is Hypothesis.
4. The “then” portion of your conditional statement; what your conditional statement is doing is Conclusion.
5. This version of the conditional switches the hypothesis portion with conclusion portion of the statement is Converse.
6. This version of the conditional negates both the hypothesis and the conclusion portions of the statement is Inverse.
7. This version of the conditional combines the converse with the inverse and switches the hypothesis and conclusion while negating both portions is Contrapositive.
5x^2 + 25x = 0
5x(x + 5) = 0
x = 0, -5
The answer is: x = 0 and x = -5.
You want to isolate the y variable so subtract 3x from both sides to get -6y = 9 - 3x
next divide the equation by -6 to get
y = 9 + 3/-6x
change to slope-int form (y = mx + b)
y = -3/6x + 9