I: y<2*x
II: y<8
III: x>2
a: (5,3):
I: 3<2*5
3<10 ?yes
II: 3<8 ?yes
III: 5>2 ?yes
This is a solution
b: (6,0):
I: 0<2*6
0<12 ?yes
II: 0<8 ?yes
III: 6>2 ?yes
This is a solution
c: (3,3):
I: 3<2*3
3<6 ?yes
II: 3<8 ?yes
III: 3>2 ?yes
This is a solution
d: (1,-4):
I: -4<2*1
-4<2 ?yes
II: -4<8 ?yes
III: 1>2 ?no
This is not a solution
e: (4,-2):
I: -2<2*4
-2<8 ?yes
II: -2<8 ?yes
III: 4>2 ?yes
This is a solution
f: (5,9):
I: 9<2*5
9<10 ?yes
II: 9<8 ?no
This is not a solution
so a,b,c,e are solutions and d,f not
Which polynomial is equal to (-3x^2 + 2x - 3) subtracted from (x^3 - x^2 + 3x)?
<h3><u><em>
Answer:</em></u></h3>
The polynomial equal to (-3x^2 + 2x - 3) subtracted from (x^3 - x^2 + 3x) is ![x^3 + 2x^2 + x + 3](https://tex.z-dn.net/?f=x%5E3%20%2B%202x%5E2%20%2B%20x%20%2B%203)
<h3><u><em>Solution:</em></u></h3>
Given that two polynomials are:
and ![(x^3 - x^2 + 3x)](https://tex.z-dn.net/?f=%28x%5E3%20-%20x%5E2%20%2B%203x%29)
We have to find the result when
is subtracted from ![(x^3 - x^2 + 3x)](https://tex.z-dn.net/?f=%28x%5E3%20-%20x%5E2%20%2B%203x%29)
In basic arithmetic operations,
when "a" is subtracted from "b" , the result is b - a
Similarly,
When
is subtracted from
, the result is:
![\rightarrow (x^3 - x^2 + 3x) - (-3x^2 + 2x - 3)](https://tex.z-dn.net/?f=%5Crightarrow%20%28x%5E3%20-%20x%5E2%20%2B%203x%29%20-%20%28-3x%5E2%20%2B%202x%20-%203%29)
Let us solve the above expression
<em><u>There are two simple rules to remember: </u></em>
- When you multiply a negative number by a positive number then the product is always negative.
- When you multiply two negative numbers or two positive numbers then the product is always positive.
So the above expression becomes:
![\rightarrow (x^3 - x^2 + 3x) + 3x^2 -2x + 3](https://tex.z-dn.net/?f=%5Crightarrow%20%28x%5E3%20-%20x%5E2%20%2B%203x%29%20%2B%203x%5E2%20-2x%20%2B%203)
Removing the brackets we get,
![\rightarrow x^3 - x^2 + 3x + 3x^2 -2x + 3](https://tex.z-dn.net/?f=%5Crightarrow%20x%5E3%20-%20x%5E2%20%2B%203x%20%2B%203x%5E2%20-2x%20%2B%203)
Combining the like terms,
![\rightarrow x^3 -x^2 + 3x^2 + 3x - 2x + 3](https://tex.z-dn.net/?f=%5Crightarrow%20x%5E3%20-x%5E2%20%2B%203x%5E2%20%2B%203x%20-%202x%20%2B%203)
![\rightarrow x^3 + 2x^2 + x + 3](https://tex.z-dn.net/?f=%5Crightarrow%20x%5E3%20%2B%202x%5E2%20%2B%20x%20%2B%203)
Thus the resulting polynomial is found
Answer:
2x+4
Step-by-step explanation:
Distribute:
=(2)(x)+(2)(−6)+(2)(8)
=2x+−12+16
Combine Like Terms:
=2x+−12+16
=(2x)+(−12+16)
=2x+4
Answer: The discounted price is $948. The value of the discount itself is $632.
Step-by-step explanation:
<h3>To calculate discounts, you multiply the percentage of the discount as a decimal with the price of the product.
In this particular case:
0.40 [percentage of discount] x $1580 [original cost] = $632 (the amount of the discount) </h3><h3>$1580 - $632 = $698 [new price after discount is applied]</h3>
Answer:
×=11
Step-by-step explanation:
2×-4×+27-5=0
-2×+22=0
-2×=-22
×=11