Question

can someone check me?

Answer 1

Determine whether the graph of y = −3x2 + 10x − 1 opens up or down and whether it has a maximum or minimum point.
i got down and maximum

Answer 2

t
hats correct

Answer 3

thanks !!

Answer 4

y = −3x2 + 10x − 1

Compare it with ax^2+bx+c

If the value of 'a' is +ve, then there will be a happy face (or minimum point)
If the value of 'a' is -ve, then there will be a sad face (or max point)