the answer is D. twenty-five seconds over one-fourth mile = 100 miles per hour.
60% of
35 is 21
Change the percentage (60) into a decimal by dividing it over 100:

Divide 21 by the decimal:
<span>

</span>
Answer:
yields 2 real roots
Step-by-step explanation:
To find the number of real roots for a quadratic, we apply the discriminate. The discriminate is the inside portion of the square root from the quadratic formula.
•
yields 2 real roots
•
yields 1 real root
• [tx]b^2-4ac<0[/tex] yields no real roots
Example:
where a=4, b=-7, and c=2
.
It has 2 real roots