Answer:
minimum
Step-by-step explanation:
For a parabola that opens upward, it must be a quadratic equation whose coefficient of x2 is a positive number.
So, I'll say x2+5x+6.
Answer:
Step-by-step explanation:
Move 3k to left hand side and change it's sign
Similarly, move 4.5 to right hand side and change it's sign
Collect like terms
Subtract 4.5 from 18
Divide both sides by 4.5
Calculate
Hope I helped!
Best regards! :D
Answer:
30
Step-by-step explanation:
Each z-score = 1 standard deviation from the mean, so 18 + (6 x 2) = 30