Attached solution with detailed work.
First we have to find the vertex (h,k) h is also x and it also is the a xis symmetry
1st: group the number
(X2+6x)-9
2nd: use b/2
6/2 = 3 , 3^2= 9
(X2+6x+9)-9-9
(X2 + 3)-18
Vertex is 3,-18 so the symmetry is 3
Hey!
Answer: First way: x * 1.05
This computes directly what 105% of x will be.
Second way: x + (x * 0.05)
This takes x (which is 100%) and adds 5% of x to it.
Hope this helps!
~LENA~
Answer: -4
Step-by-step explanation:
3 times that number→3x
Difference of the square of a number and 28→x^2-28
x^2
−28=
3x
-3x
=-3x
x^2-3x-28=0
(x-7)(x+4)=0
x-7=0
x+4=0
x=7 x=-4
{Negative Solution: }-4
Negative Solution: −4
