The 2 types of loans are Gov. Subsidized and Gov. Unsibsidized.
A government subsidized loan means that while you are in college the government pays the interest. Unsubsidized means you pay the interest. A=20,000(1+0.0466)^20 $49,732/240 months = $207/month To find the inverse of a function you have to replace F(X) with Y and all the X's to Y's. Then solve for Y. If you get X when you multiply them together they are inverse functions.
Xy* Xz= Xyz is it always, sometimes, or never true? It is only sometimes true because y+z is different than y multiplied by z. if you plug in 1 for y and z if you add them together its 2 but if you multiply them is only 1. Now if you plug in 2 for y and z and add them it is 4, and if you multiply them it is also 4. Therefore, the equation, Xy* Xz= Xyz, is only true sometimes.
To factor X^3+3X^2-54X, the first step is X(X^2+3x-54) the second is X(X+9)(X-6)
from there you just foil to solve it. Solving and factoring are related because in order to solve a quadratic equation you have to factor. There is three ways to solve a system of 2 equations. The first is by graphing, or just putting the 2 equations into desmos and seeing where the lines cross. The second is substitution, when using substitution you solve one of the equations then plug it back into the other equation. The third is elimination. Elimination is when you either add or subtract the 2 equations to get one of the variables. My favorite is graphing because its the easiest.
To find the equation of a line you need to have a few points then find the slope. Say the points you have are (1,4) and (2,8). To find the slope you use the equation M= y2-y1 divided by x2-x1. You plug in the numbers so its m= 8-4 divided by 2-1. Simplify it and you get 4 over 1, which is just 4. That's your slope. Next, you need to put it into slope intercept form. You need to use the point slope equation, which is y-y1=m(x-x1). Plug in the numbers and you get y-4=4(x-1). distribute and you get y-4=4x-4. add 4 to both sides and you should get y=4x
x= centimeters y= inches The graph goes up. it has a slope of 2.54.
Each point represents an inch There is 30.48 cm in a foot |
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March 2015
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