Answer:
a. a = 1, b = -5, c = -14
b. a = 1, b = -6, c = 9
c. a = -1, b = -1, c = -3
d. a = 1, b = 0, c = -1
e. a = 1, b = 0, c = -3
Step-by-step explanation:
a. x-ints at 7 and -2
this means that our quadratic equation must factor to:
FOIL:
Simplify:
a = 1, b = -5, c = -14
b. one x-int at 3
this means that the equation will factor to:
FOIL:
Simplify:
a = 1, b = -6, c = 9
c. no x-int and negative y must be less than 0
This means that our vertex must be below the x-axis and our parabola must point down
There are many equations for this, but one could be:
a = -1, b = -1, c = -3
d. one positive x-int, one negative x-int
We can use any x-intercepts, so let's just use -1 and 1
The equation will factor to:
This is a perfect square
FOIL:
a = 1, b = 0, c = -1
e. x-int at 
our equation will factor to:
This is also a perfect square
FOIL and you will get:
a = 1, b = 0, c = -3
Voy a decir que son 5 litros
Answer:
<h2>-
56,667cents</h2><h2>
- 6.17%</h2>
Step-by-step explanation:
Before we can determine the monthly loan paymnet, we must first calculate the total amount paid at the end of 6years.
Amount = Principal + Interest
Given Principal = $30,000
Interest = Principal * rate * time/100
Interest = $30,000*6*6/100
Interest = $10,800
Amount = $30,000+ $10,800
Amount = $40,800
If amount paid after 6years is $40,800, my monthly loan payment = $40,800/72 ≈ $566.67 to nearest dollar.
since $1 - 100cents
$566.67 = 100 * 566.67
$567 = 56,667cents
Monthly loan payment to nearest cent will be 56,667cents
EFF = (1 + r /n)^n - 1
r is the rate and n is the number of period per year which is 12months
%EFF = EAR = (1 + 0.06 /12)^ 12 - 1
%EFF = 1.005^12
%EFF = 1.061678 - 1
%EFF = 0.061678
%EFF = 6.17% to 2dp
Median is the middle number
60, 60, 65, 70, 70, 85, 90
70 is your median
mode is the number(s) that show up the most
60 and 70 is your mode, since they show up twice (one more than the others)
Range is largest number minus the smallest
90 - 60 = 30, 30 is your range
Mean is all the numbers added together divided by the number of numbers there are
60 + 90 + 65 + 70 + 70 + 85 + 60 = 500
500/7 = 71.42
Mean = 71.42
hope this helps
