T-4t^2+2t^3t−4t
2
+2t
3
t, minus, 4, t, squared, plus, 2, t, cubed
What is the degree of the polynomial?

Step-by-step explanation:

The polynomial expression given in the question is

To find the degree of the polynomial, we have to identify the value of the largest exponent in the expression by eliminating the co-efficient expressed in the expression

The value of exponent in

t is 1

4t is 2

2t is 3

The value of the largest exponent is 3, therefore the degree of the given polynomial expression is 3.

answer: y=4000x+14000

step-by-step explanation:

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15