If the graph #y=x^3 + 5# is reflected in the x axis what is the new equation?

Question

15033 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-06-29T12:13:04

#y=-x^3-5#

the points reflected in the x axis have opposite y-coordinates, or

x'=x and y'=-y

so the new equation is

#-y=x^3+5#

that's

#y=-x^3-5#

Answer 2 · 2016-06-29T12:17:30

#y=-x^3-5#

When an equation is reflected in the X-axis the value of #y# is replaced with the negative of that in the original equation.

enter image source here