There is a graph representing the equation y= 0.4x^2 - 2. If the graph is translated 3 units up, what will be the equation of the resulting graph?
You must show work in order to receive full credit.
A. y=0.4x^2 + 1
B. y=0.7x^2 - 2
C. y=0.4x^2 + 5
D. y=3.4x^2 - 2

Question

There is a graph representing the equation y= 0.4x^2 - 2. If the graph is translated 3 units up, what will be the equation of the resulting graph?
You must show work in order to receive full credit.
A. y=0.4x^2 + 1
B. y=0.7x^2 - 2
C. y=0.4x^2 + 5
D. y=3.4x^2 - 2

anonymous · Answer

Equation A

You just add 3 to -2 to get 1

So you have y=.4x^2+1

The red parabola is y=0.4x^+1 The green parabola is y=0.4x^2-2

Note the shift of 3 units in the +y direction.