2x^2-8
The ^ means to the power of so basically 2x is squared
Answer:
the ans:
Step-by-step explanation:
The percentage increase in the perimeter of the rectangle is 6.67 %.
Percentage :
A percentage is a number or ratio that can be expressed as a fraction of 100.
The length of the rectangle is increased by 10% ,
10%
If initial length of rectangle is 10 then new length of rectangle will be 11 unit.
5 %
If initial width of rectangle is 20 then new width of rectangle will be 21 unit.
Initial perimeter
New perimeter
the percentage increase in the perimeter of the rectangle is,
Answer:
(3,16)
Step-by-step explanation:
Factor the equation to find out that the roots are 7 and -1. The vertex's x will be in the center of these two points, so the center point between 7 and -1 is 3. Continue to substitute the x in the equation with 3 to get the other coordinate for vertex.
Answer:
Answer is A
Step-by-step explanation:
