Answer:

Step-by-step explanation:
Let the quadratic function be

The given points must satisfy this function;
Substitute
.

Substitute (0,-2)

Substitute (1,-4);

Put equation (2) into equation (1)



Put equation (2) into equation (3)


Add equation (4) and (5)

Divide both sides by 3

Put a=3 in equation 5.



The quadratic function is;

Answer:
b
Step-by-step explanation:
Answer:
$50
Step-by-step explanation:
Interest = PRT/100
Principal P = $500
Rate R = 5%
Time T = 2years
Get the interest
Interest = 500*5*2/100
Interest = 5 * 5 * 2
Interest = $50
Hence the interest eaned after 2years is $50
Answer:
Step-by-step explanation:
Given the rational number :
0.9, -2/1/2, 0.25, -3/4
Converting all to decimal;
0.9 = 0.9
-2 1/2 = - 2.5
0.25 = 0.25
-3/4 = - 0.75
Kindly check the ttcjed picture for the number line graoh
B ok ok sksk!!!!!!! Ok bye