What is the sign of −4ab when a > 0 and b < 0 *need NOW
2 answers:
Answer:
The sign is positive.
Step-by-step explanation:
-4 is being multiplied by a negative and a positive number. The positive has no affect, but the negatives cancel out.
Answer: The sign is positive.
Step-by-step explanation:
a > 0 and b < 0
So, a·b < 0
⇒ -4·a·b > 0
⇒ -4·a·b - 4·a·b > 0
Hence, the sign will be positive
You might be interested in
Answer:
%70
Step-by-step explanation:
<h2><u><em>
Brainliest Please!</em></u></h2>
9r - 6 = 8r + 3
r = 9
EF = 4r + 19 = 4(9) + 19 = 36 + 19 = 55
hope it helps
Answer:
8
Step-by-step explanation:
if you find where the line goes through 3 it will be at 8
Answer:
m=![\frac{\sqrt{54} }{3}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B54%7D%20%7D%7B3%7D)
Step-by-step explanation: