D: k= 36 it is that one because it’s a big number
Answer:
y = -(x + 5)² + 4
Step-by-step explanation:
The roots are -3 and -7, so:
y = a (x + 3) (x + 7)
Distribute and complete the square:
y = a (x² + 10x + 21)
y = a (x² + 10x + 25 − 4)
y = a (x² + 10x + 25) − 4a
y = a (x + 5)² − 4a
The vertex is (-5, 4), so a = -1.
y = -(x + 5)² + 4
Answer:
I got 103˚ because I put (x+40)˚ into the calculator
Answer:
The square root of 15 in exact form but in decimal form its 3.87298334
Step-by-step explanation: