Answer:
15 years
Step-by-step explanation:
$10,312.50-$7500 = $2,812.50 in interest we need over time
7500 x 2.5= $187.50/year (interest)
$2,812.50 / $187.50 = 15 years
Answer:
y = -2x^2 -4x +5
Step-by-step explanation:
The vertex is at (-1,7) and the y intercept is at (0,5)
The vertex form of a parabola is
y = a(x-h)^2 +k
where (h,k) is the vertex
y = a(x--1)^2 +7
Then substitute the point into the equation
y = a(x+1)^2 +7
5 = a(0+1)^2 +7 +7
Subtract 7 from each side
5-7 = a(1)^2
-2 = a
y = -2(x+1)^2 +7
Now FOIL
y = -2 (x^2 +2x+1) +7
Then distribute
y = -2x^2 -4x-2 +7
y = -2x^2 -4x +5
Answer: OPTION B
Step-by-step explanation:
You can find the distance between two points by using the following formula:
Given the points (-2,-6) and (0,5), you can identify that:
Therefore, substituting values, you get that the distance between those points is:
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