Question

Solve t²-0.75t-11.25=0 using the formula method ​

Answer 1

Answer:

anay

Step-by-step explanation:

Answer 2

Answer:

3.75

Step-by-step explanation:

$t^2-0.75t-11.25=0\\=> t^2 - 2*t*(0.75/2) + (0.75/2)^2 - (0.75/2)^2 -11.25=0\\=> t^2 - 2*t*0.375 + 0.375^2 = 0.375^2 + 11.25\\=> (t - 0.375)^2 = (3.375)^2\\=> (t - 0.375) = (3.375)\\=> t = 0.375 + 3.375\\=> t = 3.75$