Answer:
x= - 2
Step-by-step explanation:
hello :
note : the equation of the axis symmetry for the parabola : y =ax²+bx+c
when : a≠ 0 is : x=- b/2a
in this exercice : a=1 and b=10
so : x= -10/2 = -5
Answer:
7. 10 8. 20 9. 100 thats all i know
Step-by-step explanation:
Answer: x=2/3
Step-by-step explanation:
Answer:
False
Step-by-step explanation: