Answers:
Vertex is (-1,0)
Axis of symmetry is x = -1
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Explanation:
F(x) = 3(x+1)^2
is the same as
y = 3(x-(-1))^2 + 0
which is in the form
y = a(x-h)^2 + k
We can see that
a = 3
h = -1
k = 0
Therefore the vertex is (h,k) = (-1,0)
The axis of symmetry is x = h = -1 which is the equation x = -1
The axis of symmetry in this case is a vertical line through the vertex.
Answer:
= -4(2.3x + 0.7)
Step-by-step explanation:
=(3x + 5.1) + (-12.2x - 7.9)
= 3x + 5.1 - 12.2x - 7.9
= -9.2x - 2.8
= -4(2.3x + 0.7)
Answer:
y = 2x + 1
Step-by-step explanation:
A line y = ax + b that is perpendicular to the other line y = (-1/2)x + 7
=> The product of 2 slopes of these 2 lines must be -1
=> a x (-1/2) = -1
=> a = 2
This line passes (2, 5) => 5 = 2*2 + b => 5 = 4 + b => b = 1
=> The equation of the line: y = 2x + 1
Hope this helps!
An outside angle is equal to the sun of the two opposite inside angles.
The given inside angle is 75, the angle next to it is also 75 ( because there is a single line through the red arc, this means the angles are identical).
W = 75 + 75
W = 150 degrees.
