-24a²- 6a +9 = - 3(8a² +6a - 9)
8a² +6a - 9 =0
x=(-b +/-√(b² - 4ac))/2a
x = (-6 +/-√(36+4*8*9) /(2*8) = (-6 +/-√(324) /16 = (-6 +/-18)/16
x1 = (-6 +18)/16 = 0.75
x2 = (-6 -18)/16 = - 1.5
-24a²- 6a +9 = - 3(8a² +6a - 9) = -3(a - 0.75)(a + 1.5)
Answer:
I'm pretty sure your answer would be #4
Step-by-step explanation:
Hope this Help you
Answer:
2
Step-by-step explanation:
The average rate of change over [2, 8] is the change in the y-values over the change in the x-values.




Step-by-step explanation:


Answer:
Step-by-step explanation:
(-5 + 2)/(2 - 0)= -3/2
y + 2 = -3/2(x - 0)
y + 2 = -3/2x + 0
y = -3/2x - 2