Answer:
x=-8
Step-by-step explanation:
first do whats in the parenthess and it will look like this
-12x-8=88 now add 8 to 88 and you get 96
-12x=96 now you want x by itself so divide -12 into 96 and you get -8
x=-8
Answer:
vertex is: (4,-9)
y intercept= (0,7)
roots= (1,0) and (7,0)
Step-by-step explanation:
so we can use factoring to solve this quadratic equation real quick:
x^2-7x-1x+7
x(x-7)
-1(x-7)
(x-1)(x-7)=0
x-1=0
x=1
x-7=0
x=7
(1,0) and (7,0) are the roots
axis of symmetry: 8/2=4
substitute axsis of symmetry in equation to get vertex:
4^2-8(4)+7
16-32+7
-16+7=-9
vertex is: (4,-9)
y intercept= (0,7)
roots= (1,0) and (7,0)
Hope this helps
Answer:
e. 36 inches
Step-by-step explanation:
there are 12 inches in a foot 3 times 12 is 36
Using the Pythagorean theorem:
15^2 = 12^2 + X^2
225 = 144 + x^2
X^2 = 225 - 144
x^2 = 81
x = √81
x = 9
The distance is 9 feet.
The answer is A.