Answer: OPTION D
Step-by-step explanation:
To complete the table, you need to substitute the values of "x" given in the table into the quadratic equation
to obtain the corresponding value of "y".
Then:
When
:
When
:
When
:
When
:
Answer: There are 13 children.
Step-by-step explanation:
1. Let's call x the number of children in the classroom. We know that each child received 4 oranges, except 5 of them.
2. There were 32 oranges in total.
3. We can write this problem as an equation that represents the number of oranges distributed, as follows:

4. Now we solve the equation to find the value of x:



5. There are 13 children in the classroom. 8 of them received oranges and the rest did not.
Answer:
5,280
Step-by-step explanation:
4 (5z+2y) (5z-2y) (Ignore this)
Answer:
x = -1/2.
Step-by-step explanation:
x^2 - 4 = (x - 2)(x + 2) so if we multiply each term by x^2 -4 we get:
2 - 1(x - 2) = 3(x + 2)
2 - x + 2 = 3x + 6
2 + 2 - 6 = 3x + x
4x = -2
x = -1/2.