The discriminant of a quadratic equation is useful in determining the nature of its roots. Further, it can be solved by the equation,
D = b² - 4ac
From the given equation, b = 3, a = 2, and c = -5. Substituting the given to the equation,
D = 3² - (4)(2)(-5) = 49
Thus, the answer is the fourth choice, 49.
There are 3 working weeks and each work week she earns
$1250, so the total earning is:
total = 1250 * 3 = $3750
For each day of late, she is fined $100, and she must make
at least $3,000. So she can only be late for 7 days so that her earning would
be:
earning = 3750 – 7*100 = $3050
<span>Max number of days late = 7days</span>
Answer:
y = - 10x - 6
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = - 10 and c = - 6, thus
y = - 10x - 6 ← equation of line
45 / 9 = 5
55 / 5 = 11
Eric worked 11 hours to prepare 55 kilograms of dough.
