Hello :
<span>Y=-4x²-8x-13
= -4(x²+2x) -13
= -4 ((x² +2x+1)-1) -13
= -4 (x+1)² +4 -13
</span>Y= -4 (x+1)² -9
<span>the vertex is : (-1 , -9)
</span>
Answer:
34
Step-by-step explanation:
1+33=34
Answer:
The value of the 8 in the front is 800,000 and the value of the second is 80,000. The front value is ten times as big as the second value.
Step-by-step explanation:
Answer:
JHdl ukfjgwlSA
Step-by-step explanation:
9 less than means decrease by 9 or minus 9 or -9
9 less than some number (k) means k-9
las one