8x^2 plus 8x , use the box method ! It is very helpful for area and any other multiplication
56 is the answer cause you use 7*8=56 so i hope that helps
Answer:
Step-by-step explanation:
here you go,
Answer:
Step-by-step explanation:instead, try making the subscripts and superscripts stand out:
n-1
a = a * r
n n-1
Believe me, it's worth the extra work to do this!!
Given the sequence -3, -6, -12, -24, you can easily see that the first term,
a is -3. The common factor is 2. Note how (-3)*2=-6, and so on.
1
So, a = -3 and r=2.
1
So the formula for this geometric sequence is
n-1
a = -3*2
n