Answer:
x = -5
Step-by-step explanation:
Get x by itself on the left side. To do that, subtract the 7. Do to both sides. This makes x = -5
a) n² + 6
n=1
1² + 6 = 1 + 6 =7
n=2
2² + 6 = 4 + 6 = 10
n=3
3² + 6 = 9 + 6 =15
n=4
4² + 6 = 16 + 6 =22
7, 10, 15, 22
n=10
10² + 6 = 100 + 6 =106
10 th term-106
b) 3n²
3 x 10² = 3 x 100= 300
10th term- 300
Hope this helps!
If you take your computer screen and look at the corner, that is 90 degrees. If you cut that in half, you have a 45 degree angle.
