Answer: angle 1= 65 degrees, angle 2=115 degrees
Step-by-step explanation:
Answer:
-105
Step-by-step explanation:
hello there!
f(x)= -x^2+8x
f(-7)= -(-7)^2 + 8*(-7)
= - 49 + (-56)
= -105
hope it helps!
thank u!
Answer:
(3,1) is the answer your looking for.
Step-by-step explanation:
Answer:
(x + 9)² = 36
Step-by-step explanation:
Given
x² + 18x + 57 = 12 ( subtract 57 from both sides )
x² + 18x = - 45
To complete the square
add ( half the coefficient of the x- term)² to both sides
x² + 2(9)x + 81 = - 45 + 81
(x + 9)² = 36
