Determine which of the following points lies on the line of the linear equation y = -3x + 7. (4, -5) (4 ,19) (1, 5) (1, -19)
1 answer:
Answer:
(4, -5)
Step-by-step explanation:
we know that
If a ordered pair lie on the line, then the ordered pair must satisfy the equation of the line
we have
<u><em>Verify each ordered pair</em></u>
case 1) (4, -5)
substitute the value of x and the value of y in the linear equation and then compare the results
---> is true
so
The ordered pair satisfy the linear equation
therefore'
The ordered pair lie on the line
case 2) (4, 19)
substitute the value of x and the value of y in the linear equation and then compare the results
---> is not true
so
The ordered pair not satisfy the linear equation
therefore'
The ordered pair not lie on the line
case 3) (1,5)
substitute the value of x and the value of y in the linear equation and then compare the results
---> is not true
so
The ordered pair not satisfy the linear equation
therefore'
The ordered pair not lie on the line
case 4) (1,-19)
substitute the value of x and the value of y in the linear equation and then compare the results
---> is not true
so
The ordered pair not satisfy the linear equation
therefore'
The ordered pair not lie on the line
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Answer:
B. (x+4)(x+i)(x-i)
Step-by-step explanation:
Let
We can factor this polynomial by grouping:
We factor further to obtain:
We apply difference of two squares to get:
Step-by-step explanation:
(x-2)^3 = x^3-6x^2+12x-8
-(x^3-6x^2+12x-8)=
-x^3+6x^2-12x+8
-x^3+6x^2-12x+8 -5=
y=-x^3+6x^2-12x+3
I attached the picture
