The strategy is called expanding notation.
Answer:
a=-1 goes to the third graph (because it's negative so obviously it's a sad smile)
a=1 goes to the first graph
a=0.25 goes to the second graph
Step-by-step explanation:
The smaller the value of a, the wider the the parabola would be. If the value of a is large then the parabola becomes smol
Answer:
90, 86, 92, 89
Step-by-step explanation:
The mean of her first five quiz scores is found by adding the scores together and dividing by 5:
(84+72+90+95+87)/5 = 428/5 = 85.6
Any value higher than this mean for the sixth quiz score will raise the overall mean; any value below this mean for the sixth quiz score will lower the overall mean. This means the values that could increase her mean are 90, 86, 92 and 89.
Answer:
23/2
Step-by-step explanation:
1. Calculate the sum (Subtract)
2. Reduce the numbers
23/2
Answer:
6/10 and convert that to 3/5 so 3/5 divided by 1/5 will still equal 3/5. so the answer is 3
Step-by-step explanation: