Answer:
The formula for the vertex of the parabola is -b/a. Plugging this in we get -(-4)/1 or 4.
Answer:
6. B. x + 8
7. D. ( 3x-2)(3x-2)
8. D. Perfect square trimomal
9.C. x - 2
10. A. 3x and 8x
Step-by-step explanation:
Semoga Bermanfaat
19.6 would be the area of a single base circle πr² is the area formula
1 21/50
= 1+ 21/50
= 50/50+ 21/50
= 71/20
= 71/20* 100%
= 142%
The final answer is 142%~