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Paladinen [302]
1 year ago
11

HELP ME ASAP RIGHT NOW THIS IS DUE TOMORROW HELP ME NOWWW STOP SCROLLING!!!!

Mathematics
1 answer:
mrs_skeptik [129]1 year ago
4 0

Answer:

Step-by-step explanation:

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4 0
3 years ago
The vertex of this parabola is at (-5,-2). when the x-value is -4, the y-value is 2. what is the coefficient of the squared expr
Westkost [7]
Vertex:  (-5,-2); parabola opens up; 

General form of the equation for a vertical parabola opening up is:

y-k = a(x-h)^2; knowing that the vertex is at (-5,-2), we can write:

y+2 = a(x+5)^2.  We need to find the value of the coefficient a.

From the graph we see that y is 10 when x is approx. -1 3/4 (or -7/4).

subst. these values into y+2 = a(x+5)^2, we get:

10 + 2 = a(-7/4 + 5)^2, or 12 = a(13/4)^2, or   1 = a(169/16).

Solving for a:  a = 16/169 = 0.09, or approx 16/160, or 1/10.  Unfortunately, this is not close to any of the four answer choices.

I thought it best to try again, and fortunately my second try was correct:

10+2 = a(13/4)^2, or  (169/16)a.  Thus, 12 = a(169/16)

                                   12
Solving for a:  a = ------------- = 1.14.  The answer choice closest to this is 1.
                                169/16

Answer A is correct.



6 0
3 years ago
Read 2 more answers
the product of two consecutive integers is 272. which quadratic can be used to find x, the smaller smaller number?
weeeeeb [17]
The equation is:
x(x+1)=272
x²+x=272
x²+x-272=0

7 0
3 years ago
Read 2 more answers
The sum of three consecutive numbers is 57. What is the largest of these numbers?
lord [1]
X+x+1+x+2=57
3x+3=57
3x=54
x= 54/3
x= 18


x+1= 19
x+2= 20

Therefore 20 is the largest

8 0
3 years ago
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Please help me !!!!!!!
cupoosta [38]

Answer:

There is no slope therefore its undefined

Step-by-step explanation:

8 0
3 years ago
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