Answer:
1: equivalent
2: equivalent
3: not equivalent
Step-by-step explanation:
for 1 & 2, you just switch the terms, but for 3, the 6z is not negative in the first expression, but it is in the second.
Answer:
(- 2, - 9 )
Step-by-step explanation:
The axis of symmetry passes through the vertex of the parabola.
Thus the x- coordinate of the vertex is x = - 2
To find y substitute x = - 2 into f(x)
f(- 2) = (- 2)² + 4(- 2) - 5 = 4 - 8 - 5 = - 9
Vertex = (- 2, - 9 )
Answer:
second
Step-by-step explanation:
Δ=3²-4*1*4=9-16=-7
1/3 divide by 1/4
flip the 2nd number and the sign from division to multiplication
1/3 x 4/1
multiply
4/3
Answer:
2 (D)
Step-by-step explanation:
it comes up the most (2 times )
