Answer:
The zeros are

Step-by-step explanation:
we have

we know that
The formula to solve a quadratic equation of the form
is equal to

in this problem we have
Equate the function to zero
so

substitute in the formula

therefore

In order to convert percentage into fraction, just divide it by 100,
= 160/100 = 16/10 = 8/5
Mixed form = 1 3/5
Hope this helps!
Answer:
Step-by-step explanation:
Here time (t) is the independent variable; power (p) is the dependent one.
The graph of p = 100 - 4t is a straight line with slope -4. 100 is the vertical intercept. Battery power begins at 100 and steadily decreases after that.