X=11/5 x=2.2 is slicing for x
Quadratic formula using roots to solve for x gives you two values of x
<u>Given points:</u>
<u>Find the slope:</u>
- m = (1 - (-5))/(0 - 2) = 6/(-2) = -3
<u>Point - slope form:</u>
- y - (-5) = -3(x - 2) ⇒ y + 5 = -3(x - 2)
<u>Convert into slope- intercept form:</u>
- y = -3x + 6 - 5 ⇒ y = -3x + 1
<u>Convert into standard form:</u>
Answer:
$21,250
Step-by-step explanation:
4% = 850
100% = x
Cross multiply the above to get 21,250
Another way of doing this is:
850 divided by 4 = 212.5
So every percent is equal to 212.5, so:
212.5 * 100 (for 100%) = 21,250
Answer:
(x - 3/5) (x + 4/3)
Step-by-step explanation:
Assuming that the equation is 15x^2 and not 15 x 2, the problem proceeds as so:
Using the x method, multiply 15 by -12 and place that at the top of the x, 11 being placed at the bottom. In the x method, whatever two numbers multiply to produce the top number and add to give the bottom one are your factors.
Placing -180 at the top and 11 on the bottom, you get the numbers -9 and positive 20.
Setting up the first binomials as (x - 9) and (x +20), divide both constants by 15 as the original coefficient is not 1. This gives you 9/15 and 20/15 which simplify to the answers 3/5 and 4/3.