You can reconstitute the equation of this quadratic function
of te form:y = ax² + bx + c, by giving x and y the various values in the table. For instance: for x = 0, y =1. Plug 0 & 1 in the equation:1 = a(0)² +b(0) + c → c = 1 . You continue with the other values and you will find :
a-b = -3 and
4a - 2b =- 4
Solving it will give y = x² +4x +1
This is a parabola opening upward (because a >0) with an axis of symmetry = -b/2a or x= -2 and a minimum y = (-2)² -2(4)+1 = -3; hence
MINIMUM (-2, -3).
N.B: Your various answers don't mention my result. However in your
C. Answer they are claiming Maximum (-2,-3) and it's wrong it should be MINIMUM.
Please refer to your teacher since I am sure of the result <span> </span>
I was thinking it would be 125° because of alternate exterior angles but i’m not super sure but if i’m wrong i’m sorry!
Te difference between the two categories is 960.
The fixed expenses are: mortgage, car and insurance
1300 + 275 + 60 = 1635
The variable expenses are: food, entertainment, clothing
320 + 280 + 75 = 675
Subtracting those gives a value of 960.
Answer:
Olive will save $420 each month.
Step-by-step explanation:
This question can be solved using a rule of three.
Olive earns $2,800 a month. $2,800 is 100% = 1 of her earnings. She wants to save x, which is 15% = 0.15 of her income. How much is x?
2800 - 1
x - 0.15x
x = 2800*0.15 = $420
Olive will save $420 each month.
Answer:
14
Step-by-step explanation: