This equation has no solution:
-15y+7+17y=2y+70
2y+7=2y+70
7≠70
Answer:
5461
Step-by-step explanation:
You can recognize this as the sum of 7 terms of a geometric series with first term 1 and common ratio 4.
That sum is given by ...

where a1 is the first term and r is the common ratio.
Filling in the numbers, we have ...

The sum is 5461.
A.) it opens up because it is positive. B. The vertex is a minimum, because it opens up C/ The axis of symmetry is X=-1, the Vertex is (-1,-2). The Y interecept is y= -1
Answer:
-6
Step-by-step explanation:
3x-3(x+1)-3
3x-3x-3-3
-3-3
-6