This pattern is growing by pattern 1,3,5,7,9 and so on
so the 8th term will be 26
1,2,5,10,17,26,37..
I do not know that answer that is hard
We know that this parabola intecepts the x-axis in 6 and -3. This means that is a vertical axis parabola. But also we know that our parabola passes through (1,10). Graphing these we conclude that is a concave down parabola
The general formula for this is:
To solve this we need to form a 3 equations system with our three points
We can solve for c in the first one
and replace in the second one and solve for b:
And replace c and b in the third equation:
Solve for a:
so b and c:
So:
2 two-fifths are in four-fifths.
Hope this helps and have a great day!!!
If you need help just comment on my answer.
Answer:
5x²- 1.8
Step-by-step explanation:
roots are -3 and 3, put them in brackets
(x - 3)(x + 3)
x² + 3x - 3x - 9
x² - 9
5x = -9
x = -1.8
5x² - 1.8
just to check:
5x² - 1.8
x² - 9
(x - 3)(x - 3)
x = -3 and 3.