Answer:
Yea, Your right.
Step-by-step explanation:
4x + 9 = 15 - 2x
+2x +2x
6x + 9 =15
6x = 15 - 9
6x = 6
x = 1
Line of sym is. x= -12/2*2 =-3
plug 3 in to original equation to get 2*9+12*-3-5 =23
vertex is 3, -23
Answer:
Step-by-step explanation:
Given
See attachment for complete question
Required
Match equivalent expressions
Solving (a):
The expression can be written as:
--- 0
---- 1
--- 2
---- 3
---- 4
For the nth term, the expression is:
---- n
So, the summation is:
Solving (b):
The expression can be written as:
--- 0
---- 1
--- 2
---- 3
---- 4
For the nth term, the expression is:
---- n
So, the summation is:
Solving (c):
The expression can be written as:
--- 0
---- 1
--- 2
---- 3
---- 4
For the nth term, the expression is:
---- n
So, the summation is:
Solving (d):
The expression can be written as:
--- 0
---- 1
--- 2
---- 3
---- 4
For the nth term, the expression is:
---- n
So, the summation is:
Answer:
a)x=3
Step-by-step explanation:
x+8+5x=32-2x
x+5x+2x=32-8
8x=24
x=24 : 8
x=3