The chart shows number of minutes students spent studying for a test and their grade on the test. Draw a scatter plot of the dat
a.
Which equation is closest to the line of best fit?
A) y=-1/3x-52
B) y= 1/3x + 52
C) y=-52x + 1/3
D) y=52x-1/3
Which equation is closest to the line of best fit?
A) y=-1/3x-52
B) y= 1/3x + 52
C) y=-52x + 1/3
D) y=52x-1/3
2 answers:
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Hello!
We have the following expression:
Let's multiply and simplify it, look:
We multiply a*a*a, so we can rewrite it as a³. The same with b*b as b².
So, the answer in the simplified form is:
6a³ + 4b²