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choli [55]
3 years ago
14

Y=-x^2-x-3 find the X intercept for The parabola define by this equation

Mathematics
1 answer:
KengaRu [80]3 years ago
7 0
To find the X intercept make y =0. Then factor out a negative on the side with the equation for each of the terms, so it becomes
0=-(x^2+x+3)
0=(x^2+X+3)
0-3=(x^2+X)
-3=x(X+1)
-3=X, X intercept -3,0
-3=(X+1)
-4=X, X intercept -4,0.
These are possible X intercepts you can check by using quadratic formula as well.
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OLEGan [10]

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3 0
3 years ago
I am confused on this question
kaheart [24]
<h3>Answer:  Around 4681 grills</h3>

============================================

Explanation:

x = number of years

y = number of grills sold

The equation we'll use is the exponential equation y = 3300(1.06)^x

The 3300 of course is the initial amount sold. The 1.06 as the base indicates that the sales increase by 6% each year. Think of it the 1.06 as 1+0.06 = 100% + 6%

If we plugged x = 0 into that equation, then we get

y = 3300(1.06)^x = 3300(1.06)^0 = 3300

which helps confirm the correct equation.

----------------

Now plug in x = 6 to find the sales for year 6.

y = 3300(1.06)^x = 3300(1.06)^6 \approx 4681.11 \approx 4681

The projected sales for year 6 are about 4681 grills. This is an estimate based on the assumption that the sales will increase by 6% each year. Of course, the reality is that things aren't always so simple like this (but it should give a fairly good idea of what's going on).

4 0
2 years ago
Read 2 more answers
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