Answer:
Step-by-step explanation:
Since this is a 4th degree polynomial, 2 of the roots will not be real. Finding them is next to impossible off a calculator until the real ones are found first. That's simple enough process.
and
Divide both sides by 5:
Rewrite to get
which simplifies down to
Taking the square root of both sides gives you the real roots of x = 2 and -2.
That leaves you with 2 roots that are imaginary. After you factor out the 2 and the -2 by synthetic division, you are left with the depressed quadratic
Factor out the 5:
So the final answer is D.
Answer:
The slope is -4
Step-by-step explanation:
Yes because an integer is a whole number
In a proportional relationship, x and y will increase at the same rate. In order to find the value of x when y=4, we first have to find the ratio of x:y. We can do this by creating a fraction. After we know the ratio, simply replace the y value with 4 and solve for x. Here's the math:
y=15 when x=3 given values
y/x = 15/3 = 5 ratio of y to x
y=5x equation representing the proportional relationship
4=5x replace y with 4
4/5=x divide both sides by 5 to isolate x
Answer: The value of x=4/5 when y=4.
Hope this helps!