A driving moving at 22m/s stops the car in 2s. find the stopping distance
1 answer:
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Answer:
50
Step-by-step explanation:
40 squared is 1600
30 squared is 900
1600+900=2500
=50
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:
b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question is option A
The quadratic formula is:
b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question is option A