Which answer is the standard form of the equation −4.9t2+6.1t+2.2=3?



A. −4.9t2+6.1t−0.8=0

B. 4.9t2=6.1t−0.8

C. 6.1t=4.9t2+0.8

D. −4.9t2+6.1t=0.8