Answer:
Step-by-step explanation:
Answer:
It should be the last one, She made a sign error when multiplying.
Answer:
Dude there is no picture ♂️ repost
Step-by-step explanation:
Hello :
<span>y = 3x2 + 24x - 1
= 3(x²+8x) -1
= 3 (x² +2(4)(x) +4²- 4² ) -1
= 3((x+4)² -16)-1
y = 3(x+4)² - 49
</span><span>the line of symmetry is : x= - 4</span>
