his score was increased... so if he is now at 67 and it was increased by 7 so his first grade would have been 60.
C is the rigth answer because all the other three has two x values in common. :)
Answer:
The answer is D. Vertex at (-7,-9).
Step-by-step explanation:
The equation is in vertex form, so you take the opposite of x and the constant stays the same. So, the opposite of 7 is -7 and -9 stays the same.
Where the rest of the question?
X=2.412 is the correct answer
