Answer:
Hello,
answer C : -3x²-3x-2=0 (or 3x²+3x+2=0)
Step-by-step explanation:
A: delta=12²-4*2*18=0 not negative
B: delta= 5²+4*3*1=37 not negative
C: 3x²+2x+2=0, delta=2²-4*3*2=16-24=-8 is negative: roots are complex
D: delta 16²-4*2*2=240 not negative
Answer:
The interquartile range (IQR) is the box plot showing the middle 50% of scores and can be calculated by subtracting the lower quartile from the upper quartile (e.g. Q3−Q1). Box plots are useful as they show outliers within a data set. An outlier is an observation that is numerically distant from the rest of the data.
Step-by-step explanation:
Answer:
So, negatives cancel each other out.
Step-by-step explanation:
The answer is 63.
A negative times a negative gives you a positive.
-9 x -7 brings you = 63.
Answer:
244,330 feet
Step-by-step explanation:
Please refer to the image attached for explanations
Answer:
9 , 2 , and 6 .
Step-by-step explanation:
