Answer:
x=−3 or x=5
Step-by-step explanation:
x2−2x−15=0
Step 1: Factor left side of equation.
(x+3)(x−5)=0
Step 2: Set factors equal to 0.
x+3=0 or x−5=0
x=−3 or x=5
Answer:
Step-by-step explanation:
As x increasess by 5 units from 0 to 5, y increases by 6,250 to -30,000.
The rate of change is:
change in y 6250
---------------------- = ------------------- = 1250 (units of x) / (units of x)
change in x 5
Answer:
1.Sometimes
Step-by-step explanation:
If it is π it represents samething otherwise it does not.
21 divide by 4 is 5.25. She travels 5.25 miles per hour. 42 divide by 5.25 is 8. It would take 8 hours for Shelly to bike 42 miles.