Answer:
-3
Step-by-step explanation:
-7b = 21
/ -7 / -7
b = -3
Y = ax² + bx + c is the equation of a parabola:
y = 4x² -8x -6 is our equation.
The axis of symmetry in a parabola is x = -b/2a
x = -(-8)/(2.4) = - 8/8 and x = - 1 (axis of symmetry
Answers:
Lin's finish point is at 205 meters
Elena's velocity is 8.92 meters per second
Diego's finish point is at -259.2 meters or 259 meters behind the start
Andre's velocity is -8.14 meters per second
I hope this helps <3
Answer:
c.k¹¹
Step-by-step explanation:
Anything raised to the power of 0 is one so k^0=1
k^4k^7
Since they have the same base you can just add them
4+7=11
4 is the constant varriation