Answer:
34
Step-by-step explanation:
10+2=12
12 on both sides=24
5 on both sides=10
10+24=34
Answer:
y=X+5?
Step-by-step explanation:
This is a hard one but this may be correct
Answer: 25
Step-by-step explanation: The number that is added to both sides is the number that is needed to create a perfect square trinomial.
The question is, what is that number?
Well, it comes from a formula. The number that is added to both sides always comes from half the coefficient of the middle term squared.
So half of -10 squared or -5 squared which is 25.
So 25 is added to both sides.
Answer:
Vertical line of symmetry, from midpoint of top to midpoint of bottom
Horizontal line of symmetry, from midpoint on left to midpoint on right.
Rotational line of symmetry on the two diagonals.
Step-by-step explanation: