Answer:
D
Step-by-step explanation:
It'd be best if you'd stick to symbols. My interpretation of what you've typed here is 20x - 20x^2 + 5x^3. In descending order by powers of x, that gives us
5x^3 - 20x^2 + 20x.
Answer:
Two distinct roots means two real solutions for x (the parabola needs to cross the x-axis twice)
Step-by-step explanation:
Answer:
(4,-5)
Step-by-step explanation:
Y = 3-2X
8X +5(3-2X) =7
8x + 15 - 10x = 7
-2x = -8
x = 4
y = 3 - 2(4)
y = -5
Answer:
B
Step-by-step explanation: its b